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package org.apache.commons.clazz.bean; |
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import org.apache.commons.clazz.Clazz; |
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import org.apache.commons.clazz.ClazzLoader; |
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import org.apache.commons.clazz.ClazzOperation; |
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import org.apache.commons.clazz.common.ClazzFeatureSupport; |
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public abstract class BeanClazzOperation |
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extends ClazzFeatureSupport |
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implements ClazzOperation |
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{ |
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private String returnClazzName; |
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private Clazz returnClazz; |
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private String name; |
35 | 0 | private static final String[] EMPTY_STRING_ARRAY = new String[0]; |
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private String[] parameterClazzNames; |
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private Clazz[] parameterClazzes; |
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private String signature; |
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public BeanClazzOperation( |
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Clazz declaringClazz, |
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String returnClazzName, |
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String name, |
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String[] parameterClazzNames) |
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{ |
56 | 0 | super(declaringClazz); |
57 | 0 | this.returnClazzName = returnClazzName; |
58 | 0 | this.name = name; |
59 | 0 | this.parameterClazzNames = |
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(parameterClazzNames != null |
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? parameterClazzNames |
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: EMPTY_STRING_ARRAY); |
63 | 0 | } |
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public String getSignature() { |
69 | 0 | if (signature == null) { |
70 | 0 | signature = Clazz.constructSignature(name, getParameterClazzes()); |
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} |
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73 | 0 | return signature; |
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} |
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public String getName() { |
80 | 0 | return name; |
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} |
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public Clazz[] getParameterClazzes() { |
87 | 0 | if (parameterClazzes == null) { |
88 | 0 | parameterClazzes = new Clazz[parameterClazzNames.length]; |
89 | 0 | ClazzLoader loader = getDeclaringClazz().getClazzLoader(); |
90 | 0 | for (int i = 0; i < parameterClazzes.length; i++) { |
91 | 0 | parameterClazzes[i] = |
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loader.getClazzForName(parameterClazzNames[i]); |
93 | 0 | if (parameterClazzes[i] == null) { |
94 | 0 | throw new BeanClazzConfigurationException( |
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"Invalid argument type: " |
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+ parameterClazzNames[i] |
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+ ". Clazz not found."); |
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} |
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} |
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} |
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102 | 0 | return parameterClazzes; |
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} |
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public Clazz getReturnClazz() { |
109 | 0 | if (returnClazzName == null) { |
110 | 0 | return null; |
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} |
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113 | 0 | if (returnClazz == null) { |
114 | 0 | ClazzLoader loader = getDeclaringClazz().getClazzLoader(); |
115 | 0 | returnClazz = loader.getClazzForName(returnClazzName); |
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} |
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118 | 0 | return returnClazz; |
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} |
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public abstract Object invoke(Object target, Object[] parameters); |
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} |