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package org.apache.commons.ognl; |
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import org.apache.commons.ognl.enhance.UnsupportedCompilationException; |
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import java.lang.reflect.Array; |
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import java.math.BigDecimal; |
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import java.math.BigInteger; |
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import java.util.Enumeration; |
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35 | 0 | public abstract class OgnlOps |
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implements NumericTypes |
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{ |
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public static int compareWithConversion( Object v1, Object v2 ) |
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{ |
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int result; |
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|
58 | 176 | if ( v1 == v2 ) |
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{ |
60 | 2 | result = 0; |
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} |
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else |
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{ |
64 | 174 | int t1 = getNumericType( v1 ), t2 = getNumericType( v2 ), type = getNumericType( t1, t2, true ); |
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|
66 | 174 | switch ( type ) |
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{ |
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case BIGINT: |
69 | 30 | result = bigIntValue( v1 ).compareTo( bigIntValue( v2 ) ); |
70 | 30 | break; |
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|
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case BIGDEC: |
73 | 1 | result = bigDecValue( v1 ).compareTo( bigDecValue( v2 ) ); |
74 | 1 | break; |
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|
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case NONNUMERIC: |
77 | 31 | if ( ( t1 == NONNUMERIC ) && ( t2 == NONNUMERIC ) ) |
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{ |
79 | 14 | if ( ( v1 instanceof Comparable ) && v1.getClass().isAssignableFrom( v2.getClass() ) ) |
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{ |
81 | 14 | result = ( (Comparable) v1 ).compareTo( v2 ); |
82 | 14 | break; |
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} |
84 | 0 | throw new IllegalArgumentException( "invalid comparison: " + v1.getClass().getName() |
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+ " and " + v2.getClass().getName() ); |
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} |
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|
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case FLOAT: |
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case DOUBLE: |
90 | 21 | double dv1 = doubleValue( v1 ), |
91 | 21 | dv2 = doubleValue( v2 ); |
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|
93 | 21 | return ( dv1 == dv2 ) ? 0 : ( ( dv1 < dv2 ) ? -1 : 1 ); |
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default: |
96 | 108 | long lv1 = longValue( v1 ), |
97 | 108 | lv2 = longValue( v2 ); |
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|
99 | 108 | return ( lv1 == lv2 ) ? 0 : ( ( lv1 < lv2 ) ? -1 : 1 ); |
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} |
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} |
102 | 47 | return result; |
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} |
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public static boolean isEqual( Object object1, Object object2 ) |
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{ |
115 | 66 | boolean result = false; |
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|
117 | 66 | if ( object1 == object2 ) |
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{ |
119 | 0 | result = true; |
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} |
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else |
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{ |
123 | 66 | if ( ( object1 != null ) && object1.getClass().isArray() ) |
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{ |
125 | 0 | if ( ( object2 != null ) && object2.getClass().isArray() && ( object2.getClass() |
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== object1.getClass() ) ) |
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{ |
128 | 0 | result = ( Array.getLength( object1 ) == Array.getLength( object2 ) ); |
129 | 0 | if ( result ) |
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{ |
131 | 0 | for ( int i = 0, icount = Array.getLength( object1 ); result && ( i < icount ); i++ ) |
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{ |
133 | 0 | result = isEqual( Array.get( object1, i ), Array.get( object2, i ) ); |
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} |
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} |
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} |
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} |
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else |
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{ |
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|
141 | 66 | result = |
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( object1 != null ) && ( object2 != null ) |
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&& ( object1.equals( object2 ) || ( compareWithConversion( object1, object2 ) == 0 ) ); |
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} |
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} |
146 | 66 | return result; |
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} |
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public static boolean booleanValue( boolean value ) |
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{ |
151 | 30 | return value; |
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} |
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public static boolean booleanValue( int value ) |
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{ |
156 | 5 | return value > 0; |
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} |
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public static boolean booleanValue( float value ) |
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{ |
161 | 0 | return value > 0; |
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} |
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public static boolean booleanValue( long value ) |
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{ |
166 | 0 | return value > 0; |
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} |
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public static boolean booleanValue( double value ) |
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{ |
171 | 0 | return value > 0; |
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} |
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public static boolean booleanValue( Object value ) |
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{ |
183 | 252 | if ( value == null ) |
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{ |
185 | 16 | return false; |
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} |
187 | 236 | Class<?> c = value.getClass(); |
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|
189 | 236 | if ( c == Boolean.class ) |
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{ |
191 | 194 | return (Boolean) value; |
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} |
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|
196 | 42 | if ( c == Character.class ) |
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{ |
198 | 1 | return (Character) value != 0; |
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} |
200 | 41 | return !( value instanceof Number ) || ( (Number) value ).doubleValue() != 0; |
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} |
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public static long longValue( Object value ) |
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{ |
213 | 804 | if ( value == null ) |
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{ |
215 | 0 | return 0L; |
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} |
217 | 804 | Class<?> c = value.getClass(); |
218 | 804 | if ( c.getSuperclass() == Number.class ) |
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{ |
220 | 757 | return ( (Number) value ).longValue(); |
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} |
222 | 47 | if ( c == Boolean.class ) |
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{ |
224 | 9 | return (Boolean) value ? 1 : 0; |
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} |
226 | 38 | if ( c == Character.class ) |
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{ |
228 | 6 | return (Character) value; |
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} |
230 | 32 | return Long.parseLong( stringValue( value, true ) ); |
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} |
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public static double doubleValue( Object value ) |
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{ |
242 | 89 | if ( value == null ) |
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{ |
244 | 0 | return 0.0; |
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} |
246 | 89 | Class<?> c = value.getClass(); |
247 | 89 | if ( c.getSuperclass() == Number.class ) |
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{ |
249 | 63 | return ( (Number) value ).doubleValue(); |
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} |
251 | 26 | if ( c == Boolean.class ) |
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{ |
253 | 2 | return (Boolean) value ? 1 : 0; |
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} |
255 | 24 | if ( c == Character.class ) |
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{ |
257 | 2 | return (Character) value; |
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} |
259 | 22 | String s = stringValue( value, true ); |
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|
261 | 22 | return ( s.length() == 0 ) ? 0.0 : Double.parseDouble( s ); |
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} |
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public static BigInteger bigIntValue( Object value ) |
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{ |
273 | 349 | if ( value == null ) |
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{ |
275 | 0 | return BigInteger.valueOf( 0L ); |
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} |
277 | 349 | Class<?> c = value.getClass(); |
278 | 349 | if ( c == BigInteger.class ) |
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{ |
280 | 227 | return (BigInteger) value; |
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} |
282 | 122 | if ( c == BigDecimal.class ) |
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{ |
284 | 2 | return ( (BigDecimal) value ).toBigInteger(); |
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} |
286 | 120 | if ( c.getSuperclass() == Number.class ) |
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{ |
288 | 115 | return BigInteger.valueOf( ( (Number) value ).longValue() ); |
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} |
290 | 5 | if ( c == Boolean.class ) |
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{ |
292 | 1 | return BigInteger.valueOf( (Boolean) value ? 1 : 0 ); |
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} |
294 | 4 | if ( c == Character.class ) |
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{ |
296 | 1 | return BigInteger.valueOf( (Character) value ); |
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} |
298 | 3 | return new BigInteger( stringValue( value, true ) ); |
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} |
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public static BigDecimal bigDecValue( Object value ) |
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{ |
310 | 38 | if ( value == null ) |
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{ |
312 | 0 | return BigDecimal.valueOf( 0L ); |
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} |
314 | 38 | Class<?> c = value.getClass(); |
315 | 38 | if ( c == BigDecimal.class ) |
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{ |
317 | 13 | return (BigDecimal) value; |
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} |
319 | 25 | if ( c == BigInteger.class ) |
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{ |
321 | 1 | return new BigDecimal( (BigInteger) value ); |
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} |
323 | 24 | if ( c == Boolean.class ) |
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{ |
325 | 1 | return BigDecimal.valueOf( (Boolean) value ? 1 : 0 ); |
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} |
327 | 23 | if ( c == Character.class ) |
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{ |
329 | 1 | return BigDecimal.valueOf( ( (Character) value ).charValue() ); |
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} |
331 | 22 | return new BigDecimal( stringValue( value, true ) ); |
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} |
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public static String stringValue( Object value, boolean trim ) |
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{ |
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String result; |
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|
346 | 211 | if ( value == null ) |
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{ |
348 | 3 | result = OgnlRuntime.NULL_STRING; |
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} |
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else |
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{ |
352 | 208 | result = value.toString(); |
353 | 208 | if ( trim ) |
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{ |
355 | 79 | result = result.trim(); |
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} |
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} |
358 | 211 | return result; |
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} |
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public static String stringValue( Object value ) |
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{ |
370 | 132 | return stringValue( value, false ); |
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} |
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public static int getNumericType( Object value ) |
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{ |
381 | 1373 | if ( value != null ) |
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{ |
383 | 1365 | Class<?> c = value.getClass(); |
384 | 1365 | if ( c == Integer.class ) |
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{ |
386 | 719 | return INT; |
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} |
388 | 646 | if ( c == Double.class ) |
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{ |
390 | 25 | return DOUBLE; |
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} |
392 | 621 | if ( c == Boolean.class ) |
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{ |
394 | 8 | return BOOL; |
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} |
396 | 613 | if ( c == Byte.class ) |
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{ |
398 | 0 | return BYTE; |
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} |
400 | 613 | if ( c == Character.class ) |
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{ |
402 | 20 | return CHAR; |
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} |
404 | 593 | if ( c == Short.class ) |
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{ |
406 | 0 | return SHORT; |
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} |
408 | 593 | if ( c == Long.class ) |
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{ |
410 | 137 | return LONG; |
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} |
412 | 456 | if ( c == Float.class ) |
413 | |
{ |
414 | 2 | return FLOAT; |
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} |
416 | 454 | if ( c == BigInteger.class ) |
417 | |
{ |
418 | 229 | return BIGINT; |
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} |
420 | 225 | if ( c == BigDecimal.class ) |
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{ |
422 | 19 | return BIGDEC; |
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} |
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} |
425 | 214 | return NONNUMERIC; |
426 | |
} |
427 | |
|
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public static Object toArray( char value, Class<?> toType ) |
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throws OgnlException |
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{ |
431 | 0 | return toArray( Character.valueOf( value ), toType ); |
432 | |
} |
433 | |
|
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public static Object toArray( byte value, Class<?> toType ) |
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throws OgnlException |
436 | |
{ |
437 | 0 | return toArray( Byte.valueOf( value ), toType ); |
438 | |
} |
439 | |
|
440 | |
public static Object toArray( int value, Class<?> toType ) |
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throws OgnlException |
442 | |
{ |
443 | 0 | return toArray( Integer.valueOf( value ), toType ); |
444 | |
} |
445 | |
|
446 | |
public static Object toArray( long value, Class<?> toType ) |
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throws OgnlException |
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{ |
449 | 0 | return toArray( Long.valueOf( value ), toType ); |
450 | |
} |
451 | |
|
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public static Object toArray( float value, Class<?> toType ) |
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throws OgnlException |
454 | |
{ |
455 | 0 | return toArray( Float.valueOf( value ), toType ); |
456 | |
} |
457 | |
|
458 | |
public static Object toArray( double value, Class<?> toType ) |
459 | |
throws OgnlException |
460 | |
{ |
461 | 0 | return toArray( Double.valueOf( value ), toType ); |
462 | |
} |
463 | |
|
464 | |
public static Object toArray( boolean value, Class<?> toType ) |
465 | |
throws OgnlException |
466 | |
{ |
467 | 0 | return toArray( Boolean.valueOf( value ), toType ); |
468 | |
} |
469 | |
|
470 | |
public static <T> Object convertValue( char value, Class<T> toType ) |
471 | |
throws OgnlException |
472 | |
{ |
473 | 2 | return convertValue( Character.valueOf(value), toType ); |
474 | |
} |
475 | |
|
476 | |
public static <T> Object convertValue( byte value, Class<T> toType ) |
477 | |
throws OgnlException |
478 | |
{ |
479 | 0 | return convertValue( Byte.valueOf( value ), toType ); |
480 | |
} |
481 | |
|
482 | |
public static <T> Object convertValue( int value, Class<T> toType ) |
483 | |
throws OgnlException |
484 | |
{ |
485 | 3 | return convertValue( Integer.valueOf( value ), toType ); |
486 | |
} |
487 | |
|
488 | |
public static <T> Object convertValue( long value, Class<T> toType ) |
489 | |
throws OgnlException |
490 | |
{ |
491 | 0 | return convertValue( Long.valueOf( value ), toType ); |
492 | |
} |
493 | |
|
494 | |
public static <T> Object convertValue( float value, Class<T> toType ) |
495 | |
throws OgnlException |
496 | |
{ |
497 | 0 | return convertValue( Float.valueOf( value ), toType ); |
498 | |
} |
499 | |
|
500 | |
public static <T> Object convertValue( double value, Class<T> toType ) |
501 | |
throws OgnlException |
502 | |
{ |
503 | 0 | return convertValue( Double.valueOf( value ), toType ); |
504 | |
} |
505 | |
|
506 | |
public static <T> Object convertValue( boolean value, Class<T> toType ) |
507 | |
throws OgnlException |
508 | |
{ |
509 | 0 | return convertValue( Boolean.valueOf( value ), toType ); |
510 | |
} |
511 | |
|
512 | |
|
513 | |
|
514 | |
public static <T> Object convertValue( char value, Class<T> toType, boolean preventNull ) |
515 | |
throws OgnlException |
516 | |
{ |
517 | 0 | return convertValue( Character.valueOf( value ), toType, preventNull ); |
518 | |
} |
519 | |
|
520 | |
public static <T> Object convertValue( byte value, Class<T> toType, boolean preventNull ) |
521 | |
throws OgnlException |
522 | |
{ |
523 | 0 | return convertValue( Byte.valueOf( value ), toType, preventNull ); |
524 | |
} |
525 | |
|
526 | |
public static <T> Object convertValue( int value, Class<T> toType, boolean preventNull ) |
527 | |
throws OgnlException |
528 | |
{ |
529 | 5 | return convertValue( Integer.valueOf( value ), toType, preventNull ); |
530 | |
} |
531 | |
|
532 | |
public static <T> Object convertValue( long value, Class<T> toType, boolean preventNull ) |
533 | |
throws OgnlException |
534 | |
{ |
535 | 0 | return convertValue( Long.valueOf( value ), toType, preventNull ); |
536 | |
} |
537 | |
|
538 | |
public static <T> Object convertValue( float value, Class<T> toType, boolean preventNull ) |
539 | |
throws OgnlException |
540 | |
{ |
541 | 0 | return convertValue( new Float( value ), toType, preventNull ); |
542 | |
} |
543 | |
|
544 | |
public static <T> Object convertValue( double value, Class<T> toType, boolean preventNull ) |
545 | |
throws OgnlException |
546 | |
{ |
547 | 0 | return convertValue( new Double( value ), toType, preventNull ); |
548 | |
} |
549 | |
|
550 | |
public static <T> Object convertValue( boolean value, Class<T> toType, boolean preventNull ) |
551 | |
throws OgnlException |
552 | |
{ |
553 | 0 | return convertValue( Boolean.valueOf( value ), toType, preventNull ); |
554 | |
} |
555 | |
|
556 | |
|
557 | |
|
558 | |
public static Object toArray( char value, Class<?> toType, boolean preventNull ) |
559 | |
throws OgnlException |
560 | |
{ |
561 | 0 | return toArray( Character.valueOf( value ), toType, preventNull ); |
562 | |
} |
563 | |
|
564 | |
public static Object toArray( byte value, Class<?> toType, boolean preventNull ) |
565 | |
throws OgnlException |
566 | |
{ |
567 | 0 | return toArray( Byte.valueOf( value ), toType, preventNull ); |
568 | |
} |
569 | |
|
570 | |
public static Object toArray( int value, Class<?> toType, boolean preventNull ) |
571 | |
throws OgnlException |
572 | |
{ |
573 | 1 | return toArray( Integer.valueOf( value ), toType, preventNull ); |
574 | |
} |
575 | |
|
576 | |
public static Object toArray( long value, Class<?> toType, boolean preventNull ) |
577 | |
throws OgnlException |
578 | |
{ |
579 | 0 | return toArray( Long.valueOf(value), toType, preventNull ); |
580 | |
} |
581 | |
|
582 | |
public static Object toArray( float value, Class<?> toType, boolean preventNull ) |
583 | |
throws OgnlException |
584 | |
{ |
585 | 0 | return toArray( Float.valueOf( value ), toType, preventNull ); |
586 | |
} |
587 | |
|
588 | |
public static Object toArray( double value, Class<?> toType, boolean preventNull ) |
589 | |
throws OgnlException |
590 | |
{ |
591 | 0 | return toArray( Double.valueOf(value), toType, preventNull ); |
592 | |
} |
593 | |
|
594 | |
public static Object toArray( boolean value, Class<?> toType, boolean preventNull ) |
595 | |
throws OgnlException |
596 | |
{ |
597 | 0 | return toArray( Boolean.valueOf( value ), toType, preventNull ); |
598 | |
} |
599 | |
|
600 | |
|
601 | |
|
602 | |
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603 | |
|
604 | |
|
605 | |
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606 | |
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607 | |
|
608 | |
public static Object convertValue( Object value, Class<?> toType ) |
609 | |
{ |
610 | 193 | return convertValue( value, toType, false ); |
611 | |
} |
612 | |
|
613 | |
public static Object toArray( Object value, Class<?> toType ) |
614 | |
throws OgnlException |
615 | |
{ |
616 | 2 | return toArray( value, toType, false ); |
617 | |
} |
618 | |
|
619 | |
public static Object toArray( Object value, Class<?> toType, boolean preventNulls ) |
620 | |
throws OgnlException |
621 | |
{ |
622 | 3 | if ( value == null ) |
623 | |
{ |
624 | 0 | return null; |
625 | |
} |
626 | |
|
627 | |
Object result; |
628 | |
|
629 | 3 | Class<?> aClass = value.getClass(); |
630 | 3 | if ( aClass.isArray() && toType.isAssignableFrom( aClass.getComponentType() ) ) |
631 | |
{ |
632 | 1 | return value; |
633 | |
} |
634 | |
|
635 | 2 | if ( !aClass.isArray() ) |
636 | |
{ |
637 | |
|
638 | 1 | if ( toType == Character.TYPE ) |
639 | |
{ |
640 | 0 | return stringValue( value ).toCharArray(); |
641 | |
} |
642 | |
|
643 | 1 | Object arr = Array.newInstance( toType, 1 ); |
644 | 1 | Array.set( arr, 0, convertValue( value, toType, preventNulls ) ); |
645 | |
|
646 | 1 | return arr; |
647 | |
} |
648 | |
|
649 | 1 | result = Array.newInstance( toType, Array.getLength( value ) ); |
650 | 3 | for ( int i = 0, icount = Array.getLength( value ); i < icount; i++ ) |
651 | |
{ |
652 | 2 | Array.set( result, i, convertValue( Array.get( value, i ), toType ) ); |
653 | |
} |
654 | |
|
655 | 1 | if ( result == null && preventNulls ) |
656 | |
{ |
657 | 0 | return value; |
658 | |
} |
659 | |
|
660 | 1 | return result; |
661 | |
} |
662 | |
|
663 | |
public static <T> Object convertValue( Object value, Class<T> toType, boolean preventNulls ) |
664 | |
{ |
665 | 218 | Object result = null; |
666 | |
|
667 | 218 | if ( value != null && toType.isAssignableFrom( value.getClass() ) ) |
668 | |
{ |
669 | 35 | return value; |
670 | |
} |
671 | |
|
672 | 183 | if ( value != null ) |
673 | |
{ |
674 | |
|
675 | 180 | boolean classIsArray = value.getClass().isArray(); |
676 | 180 | boolean toTypeIsArray = toType.isArray(); |
677 | 180 | if ( classIsArray && toTypeIsArray) |
678 | |
{ |
679 | 1 | Class<?> componentType = toType.getComponentType(); |
680 | |
|
681 | 1 | result = Array.newInstance( componentType, Array.getLength( value ) ); |
682 | 4 | for ( int i = 0, icount = Array.getLength( value ); i < icount; i++ ) |
683 | |
{ |
684 | 3 | Array.set( result, i, convertValue( Array.get( value, i ), componentType ) ); |
685 | |
} |
686 | 1 | } |
687 | 179 | else if ( classIsArray && !toTypeIsArray) |
688 | |
{ |
689 | |
|
690 | 2 | return convertValue( Array.get( value, 0 ), toType ); |
691 | |
} |
692 | 177 | else if ( toTypeIsArray ) |
693 | |
{ |
694 | |
|
695 | 0 | if ( toType.getComponentType() == Character.TYPE ) |
696 | |
{ |
697 | |
|
698 | 0 | result = stringValue( value ).toCharArray(); |
699 | |
} |
700 | 0 | else if ( toType.getComponentType() == Object.class ) |
701 | |
{ |
702 | 0 | return new Object[] { value }; |
703 | |
} |
704 | |
} |
705 | |
else |
706 | |
{ |
707 | 177 | if ( ( toType == Integer.class ) || ( toType == Integer.TYPE ) ) |
708 | |
{ |
709 | 37 | result = (int) longValue( value ); |
710 | |
} |
711 | 140 | else if ( ( toType == Double.class ) || ( toType == Double.TYPE ) ) |
712 | |
{ |
713 | 12 | result = doubleValue( value ); |
714 | |
} |
715 | 128 | else if ( ( toType == Boolean.class ) || ( toType == Boolean.TYPE ) ) |
716 | |
{ |
717 | 15 | result = booleanValue( value ) ? Boolean.TRUE : Boolean.FALSE; |
718 | |
} |
719 | 113 | else if ( ( toType == Byte.class ) || ( toType == Byte.TYPE ) ) |
720 | |
{ |
721 | 12 | result = (byte) longValue( value ); |
722 | |
} |
723 | 101 | else if ( ( toType == Character.class ) || ( toType == Character.TYPE ) ) |
724 | |
{ |
725 | 14 | result = (char) longValue( value ); |
726 | |
} |
727 | 87 | else if ( ( toType == Short.class ) || ( toType == Short.TYPE ) ) |
728 | |
{ |
729 | 12 | result = (short) longValue( value ); |
730 | |
} |
731 | 75 | else if ( ( toType == Long.class ) || ( toType == Long.TYPE ) ) |
732 | |
{ |
733 | 15 | result = longValue( value ); |
734 | |
} |
735 | 60 | else if ( ( toType == Float.class ) || ( toType == Float.TYPE ) ) |
736 | |
{ |
737 | 15 | result = new Float( doubleValue( value ) ); |
738 | |
} |
739 | 45 | else if ( toType == BigInteger.class ) |
740 | |
{ |
741 | 12 | result = bigIntValue( value ); |
742 | |
} |
743 | 33 | else if ( toType == BigDecimal.class ) |
744 | |
{ |
745 | 12 | result = bigDecValue( value ); |
746 | |
} |
747 | 21 | else if ( toType == String.class ) |
748 | |
{ |
749 | 20 | result = stringValue( value ); |
750 | |
} |
751 | |
} |
752 | 170 | } |
753 | |
else |
754 | |
{ |
755 | 3 | if ( toType.isPrimitive() ) |
756 | |
{ |
757 | 0 | result = OgnlRuntime.getPrimitiveDefaultValue( toType ); |
758 | |
} |
759 | 3 | else if ( preventNulls && toType == Boolean.class ) |
760 | |
{ |
761 | 0 | result = Boolean.FALSE; |
762 | |
} |
763 | 3 | else if ( preventNulls && Number.class.isAssignableFrom( toType ) ) |
764 | |
{ |
765 | 0 | result = OgnlRuntime.getNumericDefaultValue( toType ); |
766 | |
} |
767 | |
} |
768 | |
|
769 | 173 | if ( result == null && preventNulls ) |
770 | |
{ |
771 | 0 | return value; |
772 | |
} |
773 | |
|
774 | 173 | if ( value != null && result == null ) |
775 | |
{ |
776 | |
|
777 | 1 | throw new IllegalArgumentException( "Unable to convert type " + value.getClass().getName() + " of " + value |
778 | |
+ " to type of " + toType.getName() ); |
779 | |
} |
780 | |
|
781 | 172 | return result; |
782 | |
} |
783 | |
|
784 | |
|
785 | |
|
786 | |
|
787 | |
|
788 | |
|
789 | |
|
790 | |
|
791 | |
|
792 | |
|
793 | |
|
794 | |
|
795 | |
public static int getIntValue( Object value ) |
796 | |
{ |
797 | |
try |
798 | |
{ |
799 | 1 | if ( value == null ) |
800 | |
{ |
801 | 0 | return -1; |
802 | |
} |
803 | |
|
804 | 1 | if ( Number.class.isInstance( value ) ) |
805 | |
{ |
806 | |
|
807 | 0 | return ( (Number) value ).intValue(); |
808 | |
} |
809 | |
|
810 | 1 | String str = String.class.isInstance( value ) ? (String) value : value.toString(); |
811 | |
|
812 | 1 | return Integer.parseInt( str ); |
813 | |
} |
814 | 0 | catch ( Throwable t ) |
815 | |
{ |
816 | 0 | throw new RuntimeException( "Error converting " + value + " to integer:", t ); |
817 | |
} |
818 | |
} |
819 | |
|
820 | |
|
821 | |
|
822 | |
|
823 | |
|
824 | |
|
825 | |
|
826 | |
|
827 | |
|
828 | |
public static int getNumericType( Object v1, Object v2 ) |
829 | |
{ |
830 | 306 | return getNumericType( v1, v2, false ); |
831 | |
} |
832 | |
|
833 | |
|
834 | |
|
835 | |
|
836 | |
|
837 | |
|
838 | |
|
839 | |
|
840 | |
|
841 | |
|
842 | |
public static int getNumericType( int t1, int t2, boolean canBeNonNumeric ) |
843 | |
{ |
844 | 618 | if ( t1 == t2 ) |
845 | |
{ |
846 | 367 | return t1; |
847 | |
} |
848 | |
|
849 | 251 | if ( canBeNonNumeric && ( t1 == NONNUMERIC || t2 == NONNUMERIC || t1 == CHAR || t2 == CHAR ) ) |
850 | |
{ |
851 | 44 | return NONNUMERIC; |
852 | |
} |
853 | |
|
854 | 207 | if ( t1 == NONNUMERIC ) |
855 | |
{ |
856 | 0 | t1 = DOUBLE; |
857 | |
} |
858 | 207 | if ( t2 == NONNUMERIC ) |
859 | |
{ |
860 | 5 | t2 = DOUBLE; |
861 | |
} |
862 | |
|
863 | 207 | if ( t1 >= MIN_REAL_TYPE ) |
864 | |
{ |
865 | 22 | if ( t2 >= MIN_REAL_TYPE ) |
866 | |
{ |
867 | 8 | return Math.max( t1, t2 ); |
868 | |
} |
869 | 14 | if ( t2 < INT ) |
870 | |
{ |
871 | 0 | return t1; |
872 | |
} |
873 | 14 | if ( t2 == BIGINT ) |
874 | |
{ |
875 | 0 | return BIGDEC; |
876 | |
} |
877 | 14 | return Math.max( DOUBLE, t1 ); |
878 | |
} |
879 | 185 | else if ( t2 >= MIN_REAL_TYPE ) |
880 | |
{ |
881 | 10 | if ( t1 < INT ) |
882 | |
{ |
883 | 0 | return t2; |
884 | |
} |
885 | 10 | if ( t1 == BIGINT ) |
886 | |
{ |
887 | 0 | return BIGDEC; |
888 | |
} |
889 | 10 | return Math.max( DOUBLE, t2 ); |
890 | |
} |
891 | |
else |
892 | |
{ |
893 | 175 | return Math.max( t1, t2 ); |
894 | |
} |
895 | |
} |
896 | |
|
897 | |
|
898 | |
|
899 | |
|
900 | |
|
901 | |
|
902 | |
|
903 | |
|
904 | |
|
905 | |
|
906 | |
public static int getNumericType( Object v1, Object v2, boolean canBeNonNumeric ) |
907 | |
{ |
908 | 444 | return getNumericType( getNumericType( v1 ), getNumericType( v2 ), canBeNonNumeric ); |
909 | |
} |
910 | |
|
911 | |
|
912 | |
|
913 | |
|
914 | |
|
915 | |
|
916 | |
|
917 | |
|
918 | |
|
919 | |
public static Number newInteger( int type, long value ) |
920 | |
{ |
921 | 304 | switch ( type ) |
922 | |
{ |
923 | |
case BOOL: |
924 | |
case CHAR: |
925 | |
case INT: |
926 | 172 | return (int) value; |
927 | |
|
928 | |
case FLOAT: |
929 | 0 | if ( (long) (float) value == value ) |
930 | |
{ |
931 | 0 | return (float) value; |
932 | |
} |
933 | |
|
934 | |
case DOUBLE: |
935 | 6 | if ( (long) (double) value == value ) |
936 | |
{ |
937 | 6 | return (double) value; |
938 | |
} |
939 | |
|
940 | |
case LONG: |
941 | 96 | return value; |
942 | |
|
943 | |
case BYTE: |
944 | 0 | return (byte) value; |
945 | |
|
946 | |
case SHORT: |
947 | 0 | return (short) value; |
948 | |
|
949 | |
default: |
950 | 30 | return BigInteger.valueOf( value ); |
951 | |
} |
952 | |
} |
953 | |
|
954 | |
|
955 | |
|
956 | |
|
957 | |
|
958 | |
|
959 | |
|
960 | |
|
961 | |
|
962 | |
|
963 | |
public static Number newReal( int type, double value ) |
964 | |
{ |
965 | 10 | if ( type == FLOAT ) |
966 | |
{ |
967 | 1 | return (float) value; |
968 | |
} |
969 | 9 | return value; |
970 | |
} |
971 | |
|
972 | |
public static Object binaryOr( Object v1, Object v2 ) |
973 | |
{ |
974 | 7 | int type = getNumericType( v1, v2 ); |
975 | 7 | if ( type == BIGINT || type == BIGDEC ) |
976 | |
{ |
977 | 1 | return bigIntValue( v1 ).or( bigIntValue( v2 ) ); |
978 | |
} |
979 | 6 | return newInteger( type, longValue( v1 ) | longValue( v2 ) ); |
980 | |
} |
981 | |
|
982 | |
public static Object binaryXor( Object v1, Object v2 ) |
983 | |
{ |
984 | 11 | int type = getNumericType( v1, v2 ); |
985 | 11 | if ( type == BIGINT || type == BIGDEC ) |
986 | |
{ |
987 | 1 | return bigIntValue( v1 ).xor( bigIntValue( v2 ) ); |
988 | |
} |
989 | 10 | return newInteger( type, longValue( v1 ) ^ longValue( v2 ) ); |
990 | |
} |
991 | |
|
992 | |
public static Object binaryAnd( Object v1, Object v2 ) |
993 | |
{ |
994 | 9 | int type = getNumericType( v1, v2 ); |
995 | 9 | if ( type == BIGINT || type == BIGDEC ) |
996 | |
{ |
997 | 4 | return bigIntValue( v1 ).and( bigIntValue( v2 ) ); |
998 | |
} |
999 | 5 | return newInteger( type, longValue( v1 ) & longValue( v2 ) ); |
1000 | |
} |
1001 | |
|
1002 | |
public static boolean equal( Object v1, Object v2 ) |
1003 | |
{ |
1004 | 87 | if ( v1 == null ) |
1005 | |
{ |
1006 | 16 | return v2 == null; |
1007 | |
} |
1008 | 71 | if ( v1 == v2 || isEqual( v1, v2 ) ) |
1009 | |
{ |
1010 | 28 | return true; |
1011 | |
} |
1012 | 43 | if ( v1 instanceof Number && v2 instanceof Number ) |
1013 | |
{ |
1014 | 7 | return ( (Number) v1 ).doubleValue() == ( (Number) v2 ).doubleValue(); |
1015 | |
} |
1016 | 36 | return false; |
1017 | |
} |
1018 | |
|
1019 | |
public static boolean less( Object v1, Object v2 ) |
1020 | |
{ |
1021 | 21 | return compareWithConversion( v1, v2 ) < 0; |
1022 | |
} |
1023 | |
|
1024 | |
public static boolean greater( Object v1, Object v2 ) |
1025 | |
{ |
1026 | 128 | return compareWithConversion( v1, v2 ) > 0; |
1027 | |
} |
1028 | |
|
1029 | |
public static boolean in( Object v1, Object v2 ) |
1030 | |
throws OgnlException |
1031 | |
{ |
1032 | 6 | if ( v2 == null ) |
1033 | |
{ |
1034 | 0 | return false; |
1035 | |
} |
1036 | |
|
1037 | 6 | ElementsAccessor elementsAccessor = OgnlRuntime.getElementsAccessor( OgnlRuntime.getTargetClass( v2 ) ); |
1038 | |
|
1039 | |
|
1040 | 6 | for ( Enumeration<?> e = elementsAccessor.getElements( v2 ); e.hasMoreElements(); ) |
1041 | |
{ |
1042 | 17 | Object o = e.nextElement(); |
1043 | |
|
1044 | 17 | if ( equal( v1, o ) ) |
1045 | |
{ |
1046 | 4 | return true; |
1047 | |
} |
1048 | 13 | } |
1049 | |
|
1050 | 2 | return false; |
1051 | |
} |
1052 | |
|
1053 | |
public static Object shiftLeft( Object v1, Object v2 ) |
1054 | |
{ |
1055 | 3 | int type = getNumericType( v1 ); |
1056 | 3 | if ( type == BIGINT || type == BIGDEC ) |
1057 | |
{ |
1058 | 1 | return bigIntValue( v1 ).shiftLeft( (int) longValue( v2 ) ); |
1059 | |
} |
1060 | 2 | return newInteger( type, longValue( v1 ) << (int) longValue( v2 ) ); |
1061 | |
} |
1062 | |
|
1063 | |
public static Object shiftRight( Object v1, Object v2 ) |
1064 | |
{ |
1065 | 5 | int type = getNumericType( v1 ); |
1066 | 5 | if ( type == BIGINT || type == BIGDEC ) |
1067 | |
{ |
1068 | 2 | return bigIntValue( v1 ).shiftRight( (int) longValue( v2 ) ); |
1069 | |
} |
1070 | 3 | return newInteger( type, longValue( v1 ) >> (int) longValue( v2 ) ); |
1071 | |
} |
1072 | |
|
1073 | |
public static Object unsignedShiftRight( Object v1, Object v2 ) |
1074 | |
{ |
1075 | 5 | int type = getNumericType( v1 ); |
1076 | 5 | if ( type == BIGINT || type == BIGDEC ) |
1077 | |
{ |
1078 | 1 | return bigIntValue( v1 ).shiftRight( (int) longValue( v2 ) ); |
1079 | |
} |
1080 | 4 | if ( type <= INT ) |
1081 | |
{ |
1082 | 3 | return newInteger( INT, ( (int) longValue( v1 ) ) >>> (int) longValue( v2 ) ); |
1083 | |
} |
1084 | 1 | return newInteger( type, longValue( v1 ) >>> (int) longValue( v2 ) ); |
1085 | |
} |
1086 | |
|
1087 | |
public static Object add( Object v1, Object v2 ) |
1088 | |
{ |
1089 | 138 | int type = getNumericType( v1, v2, true ); |
1090 | 138 | switch ( type ) |
1091 | |
{ |
1092 | |
case BIGINT: |
1093 | 34 | return bigIntValue( v1 ).add( bigIntValue( v2 ) ); |
1094 | |
case BIGDEC: |
1095 | 4 | return bigDecValue( v1 ).add( bigDecValue( v2 ) ); |
1096 | |
case FLOAT: |
1097 | |
case DOUBLE: |
1098 | 4 | return newReal( type, doubleValue( v1 ) + doubleValue( v2 ) ); |
1099 | |
case NONNUMERIC: |
1100 | 57 | int t1 = getNumericType( v1 ), |
1101 | 57 | t2 = getNumericType( v2 ); |
1102 | |
|
1103 | 57 | if ( ( ( t1 != NONNUMERIC ) && ( v2 == null ) ) || ( ( t2 != NONNUMERIC ) && ( v1 == null ) ) ) |
1104 | |
{ |
1105 | 1 | throw new NullPointerException( "Can't add values " + v1 + " , " + v2 ); |
1106 | |
} |
1107 | |
|
1108 | 56 | return stringValue( v1 ) + stringValue( v2 ); |
1109 | |
default: |
1110 | 39 | return newInteger( type, longValue( v1 ) + longValue( v2 ) ); |
1111 | |
} |
1112 | |
} |
1113 | |
|
1114 | |
public static Object subtract( Object v1, Object v2 ) |
1115 | |
{ |
1116 | 109 | int type = getNumericType( v1, v2 ); |
1117 | 109 | switch ( type ) |
1118 | |
{ |
1119 | |
case BIGINT: |
1120 | 30 | return bigIntValue( v1 ).subtract( bigIntValue( v2 ) ); |
1121 | |
case BIGDEC: |
1122 | 1 | return bigDecValue( v1 ).subtract( bigDecValue( v2 ) ); |
1123 | |
case FLOAT: |
1124 | |
case DOUBLE: |
1125 | 2 | return newReal( type, doubleValue( v1 ) - doubleValue( v2 ) ); |
1126 | |
default: |
1127 | 76 | return newInteger( type, longValue( v1 ) - longValue( v2 ) ); |
1128 | |
} |
1129 | |
} |
1130 | |
|
1131 | |
public static Object multiply( Object v1, Object v2 ) |
1132 | |
{ |
1133 | 139 | int type = getNumericType( v1, v2 ); |
1134 | 139 | switch ( type ) |
1135 | |
{ |
1136 | |
case BIGINT: |
1137 | 64 | return bigIntValue( v1 ).multiply( bigIntValue( v2 ) ); |
1138 | |
case BIGDEC: |
1139 | 5 | return bigDecValue( v1 ).multiply( bigDecValue( v2 ) ); |
1140 | |
case FLOAT: |
1141 | |
case DOUBLE: |
1142 | 2 | return newReal( type, doubleValue( v1 ) * doubleValue( v2 ) ); |
1143 | |
default: |
1144 | 68 | return newInteger( type, longValue( v1 ) * longValue( v2 ) ); |
1145 | |
} |
1146 | |
} |
1147 | |
|
1148 | |
public static Object divide( Object v1, Object v2 ) |
1149 | |
{ |
1150 | 9 | int type = getNumericType( v1, v2 ); |
1151 | 9 | switch ( type ) |
1152 | |
{ |
1153 | |
case BIGINT: |
1154 | 1 | return bigIntValue( v1 ).divide( bigIntValue( v2 ) ); |
1155 | |
case BIGDEC: |
1156 | 2 | return bigDecValue( v1 ).divide( bigDecValue( v2 ), BigDecimal.ROUND_HALF_EVEN ); |
1157 | |
case FLOAT: |
1158 | |
case DOUBLE: |
1159 | 2 | return newReal( type, doubleValue( v1 ) / doubleValue( v2 ) ); |
1160 | |
default: |
1161 | 4 | return newInteger( type, longValue( v1 ) / longValue( v2 ) ); |
1162 | |
} |
1163 | |
} |
1164 | |
|
1165 | |
public static Object remainder( Object v1, Object v2 ) |
1166 | |
{ |
1167 | 22 | int type = getNumericType( v1, v2 ); |
1168 | 22 | switch ( type ) |
1169 | |
{ |
1170 | |
case BIGDEC: |
1171 | |
case BIGINT: |
1172 | 1 | return bigIntValue( v1 ).remainder( bigIntValue( v2 ) ); |
1173 | |
default: |
1174 | 21 | return newInteger( type, longValue( v1 ) % longValue( v2 ) ); |
1175 | |
} |
1176 | |
} |
1177 | |
|
1178 | |
public static Object negate( Object value ) |
1179 | |
{ |
1180 | 4 | int type = getNumericType( value ); |
1181 | 4 | switch ( type ) |
1182 | |
{ |
1183 | |
case BIGINT: |
1184 | 1 | return bigIntValue( value ).negate(); |
1185 | |
case BIGDEC: |
1186 | 0 | return bigDecValue( value ).negate(); |
1187 | |
case FLOAT: |
1188 | |
case DOUBLE: |
1189 | 0 | return newReal( type, -doubleValue( value ) ); |
1190 | |
default: |
1191 | 3 | return newInteger( type, -longValue( value ) ); |
1192 | |
} |
1193 | |
} |
1194 | |
|
1195 | |
public static Object bitNegate( Object value ) |
1196 | |
{ |
1197 | 0 | int type = getNumericType( value ); |
1198 | 0 | switch ( type ) |
1199 | |
{ |
1200 | |
case BIGDEC: |
1201 | |
case BIGINT: |
1202 | 0 | return bigIntValue( value ).not(); |
1203 | |
default: |
1204 | 0 | return newInteger( type, ~longValue( value ) ); |
1205 | |
} |
1206 | |
} |
1207 | |
|
1208 | |
public static String getEscapeString( String value ) |
1209 | |
{ |
1210 | 159 | StringBuilder result = new StringBuilder(); |
1211 | |
|
1212 | 159 | int length = value.length(); |
1213 | 1335 | for ( int i = 0; i < length; i++ ) |
1214 | |
{ |
1215 | 1176 | result.append( getEscapedChar( value.charAt( i ) ) ); |
1216 | |
} |
1217 | 159 | return result.toString(); |
1218 | |
} |
1219 | |
|
1220 | |
public static String getEscapedChar( char ch ) |
1221 | |
{ |
1222 | |
String result; |
1223 | |
|
1224 | 1194 | switch ( ch ) |
1225 | |
{ |
1226 | |
case '\b': |
1227 | 1 | result = "\b"; |
1228 | 1 | break; |
1229 | |
case '\t': |
1230 | 1 | result = "\\t"; |
1231 | 1 | break; |
1232 | |
case '\n': |
1233 | 2 | result = "\\n"; |
1234 | 2 | break; |
1235 | |
case '\f': |
1236 | 1 | result = "\\f"; |
1237 | 1 | break; |
1238 | |
case '\r': |
1239 | 1 | result = "\\r"; |
1240 | 1 | break; |
1241 | |
case '\"': |
1242 | 4 | result = "\\\""; |
1243 | 4 | break; |
1244 | |
case '\'': |
1245 | 2 | result = "\\\'"; |
1246 | 2 | break; |
1247 | |
case '\\': |
1248 | 1 | result = "\\\\"; |
1249 | 1 | break; |
1250 | |
default: |
1251 | 1181 | if ( Character.isISOControl( ch ) ) |
1252 | |
{ |
1253 | |
|
1254 | 0 | String hc = Integer.toString( (int) ch, 16 ); |
1255 | 0 | int hcl = hc.length(); |
1256 | |
|
1257 | 0 | result = "\\u"; |
1258 | 0 | if ( hcl < 4 ) |
1259 | |
{ |
1260 | 0 | if ( hcl == 3 ) |
1261 | |
{ |
1262 | 0 | result = result + "0"; |
1263 | |
} |
1264 | |
else |
1265 | |
{ |
1266 | 0 | if ( hcl == 2 ) |
1267 | |
{ |
1268 | 0 | result = result + "00"; |
1269 | |
} |
1270 | |
else |
1271 | |
{ |
1272 | 0 | result = result + "000"; |
1273 | |
} |
1274 | |
} |
1275 | |
} |
1276 | |
|
1277 | 0 | result = result + hc; |
1278 | 0 | } |
1279 | |
else |
1280 | |
{ |
1281 | 1181 | result = ch + ""; |
1282 | |
} |
1283 | |
break; |
1284 | |
} |
1285 | 1194 | return result; |
1286 | |
} |
1287 | |
|
1288 | |
public static Object returnValue( Object ignore, Object returnValue ) |
1289 | |
{ |
1290 | 1 | return returnValue; |
1291 | |
} |
1292 | |
|
1293 | |
/** |
1294 | |
* Utility method that converts incoming exceptions to {@link RuntimeException} instances - or casts them if they |
1295 | |
* already are. |
1296 | |
* |
1297 | |
* @param t The exception to cast. |
1298 | |
* @return The exception cast to a {@link RuntimeException}. |
1299 | |
*/ |
1300 | |
public static RuntimeException castToRuntime( Throwable t ) |
1301 | |
{ |
1302 | 285 | if ( RuntimeException.class.isInstance( t ) ) |
1303 | |
{ |
1304 | 279 | return (RuntimeException) t; |
1305 | |
} |
1306 | |
|
1307 | 6 | if ( OgnlException.class.isInstance( t ) ) |
1308 | |
{ |
1309 | 6 | throw new UnsupportedCompilationException( "Error evluating expression: " + t.getMessage(), t ); |
1310 | |
} |
1311 | |
|
1312 | 0 | return new RuntimeException( t ); |
1313 | |
} |
1314 | |
} |