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package org.apache.commons.clazz.reflect.common; |
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import java.lang.reflect.Field; |
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import java.lang.reflect.Method; |
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import org.apache.commons.clazz.Clazz; |
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import org.apache.commons.clazz.ClazzAccessException; |
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import org.apache.commons.clazz.common.ClazzFeatureSupport; |
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import org.apache.commons.clazz.reflect.ReflectedProperty; |
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public class ReflectedAccessorPairProperty extends ClazzFeatureSupport |
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implements ReflectedProperty |
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{ |
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private String name; |
35 | 0 | private static final String[] EMPTY_STRING_ARRAY = new String[0]; |
36 | 0 | private String[] aliases = EMPTY_STRING_ARRAY; |
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private Class type; |
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private Clazz clazz; |
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private Field field; |
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private Method readMethod; |
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private Method writeMethod; |
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public ReflectedAccessorPairProperty(Clazz declaringClazz, String name) { |
47 | 0 | super(declaringClazz); |
48 | 0 | this.name = name; |
49 | 0 | } |
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public String getName() { |
55 | 0 | return name; |
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} |
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public String[] getAliases() { |
63 | 0 | return aliases; |
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} |
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public void setAliases(String[] aliases) { |
71 | 0 | this.aliases = aliases; |
72 | 0 | } |
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public Clazz getClazz() { |
78 | 0 | if (clazz == null) { |
79 | 0 | clazz = getDeclaringClazz(). |
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getClazzLoader().getClazzForName(type.getName()); |
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} |
82 | 0 | return clazz; |
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} |
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public Clazz getContentClazz() { |
89 | 0 | return null; |
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} |
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public Clazz getKeyClazz() { |
96 | 0 | return null; |
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} |
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public boolean isReadOnly() { |
103 | 0 | return false; |
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} |
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public Field getField() { |
111 | 0 | return field; |
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} |
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public Method getReadMethod() { |
119 | 0 | return readMethod; |
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} |
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public void setField(Field field) { |
128 | 0 | this.field = field; |
129 | 0 | } |
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public void setReadMethod(Method readMethod) { |
136 | 0 | this.readMethod = readMethod; |
137 | 0 | } |
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public Method getWriteMethod() { |
144 | 0 | return writeMethod; |
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} |
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public void setWriteMethod(Method writeMethod) { |
152 | 0 | this.writeMethod = writeMethod; |
153 | 0 | } |
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public Object get(Object instance) { |
159 | 0 | if (readMethod == null) { |
160 | 0 | throw new ClazzAccessException( |
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"Cannot read property " + name + ": no read method"); |
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} |
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try { |
164 | 0 | return readMethod.invoke(instance, null); |
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} |
166 | 0 | catch (Exception ex) { |
167 | 0 | throw new ClazzAccessException( |
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"Cannot get property : " |
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+ name |
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+ ": cannot invoke method: " |
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+ readMethod.getName(), |
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ex); |
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} |
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} |
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public void set(Object instance, Object value) { |
180 | 0 | if (writeMethod == null) { |
181 | 0 | throw new ClazzAccessException( |
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"Cannot modify property " + name + ": no write method"); |
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} |
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try { |
185 | 0 | writeMethod.invoke(instance, new Object[]{value}); |
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} |
187 | 0 | catch (Exception ex) { |
188 | 0 | throw new ClazzAccessException( |
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"Cannot set property : " |
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+ name |
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+ ": cannot invoke method: " |
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+ writeMethod.getName(), |
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ex); |
194 | 0 | } |
195 | 0 | } |
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public Class getType() { |
203 | 0 | return type; |
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} |
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public void setType(Class type) { |
211 | 0 | this.type = type; |
212 | 0 | } |
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public boolean isCollection() { |
218 | 0 | return false; |
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} |
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public boolean isMap() { |
225 | 0 | return false; |
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} |
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} |