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package org.apache.tapestry.enhance; |
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import java.lang.reflect.Modifier; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import javassist.CtClass; |
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import javassist.CtMethod; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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import org.apache.hivemind.service.InterfaceFab; |
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import org.apache.hivemind.service.MethodSignature; |
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public class InterfaceFabImpl extends AbstractFab implements InterfaceFab |
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{ |
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private List _methods = new ArrayList(); |
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public InterfaceFabImpl(CtClassSource source, CtClass ctClass) |
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{ |
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super(source, ctClass); |
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} |
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public String toString() |
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{ |
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StringBuffer buffer = new StringBuffer("InterfaceFabImpl[\npublic interface "); |
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CtClass ctClass = getCtClass(); |
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buffer.append(ctClass.getName()); |
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try |
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{ |
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CtClass[] interfaces = ctClass.getInterfaces(); |
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for (int i = 0; i < interfaces.length; i++) |
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{ |
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buffer.append(i == 0 ? " extends " : ", "); |
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buffer.append(interfaces[i].getName()); |
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} |
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} |
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catch (Exception ex) |
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{ |
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buffer.append("<Exception: " + ex + ">"); |
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} |
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Iterator i = _methods.iterator(); |
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while (i.hasNext()) |
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{ |
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MethodSignature sig = (MethodSignature) i.next(); |
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buffer.append("\n\npublic "); |
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buffer.append(sig); |
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buffer.append(";"); |
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} |
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buffer.append("\n]"); |
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return buffer.toString(); |
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} |
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public void addMethod(MethodSignature ms) |
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{ |
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CtClass ctReturnType = convertClass(ms.getReturnType()); |
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CtClass[] ctParameters = convertClasses(ms.getParameterTypes()); |
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CtClass[] ctExceptions = convertClasses(ms.getExceptionTypes()); |
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CtMethod method = new CtMethod(ctReturnType, ms.getName(), ctParameters, getCtClass()); |
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try |
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{ |
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method.setModifiers(Modifier.PUBLIC | Modifier.ABSTRACT); |
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method.setExceptionTypes(ctExceptions); |
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getCtClass().addMethod(method); |
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} |
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catch (Exception ex) |
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{ |
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throw new ApplicationRuntimeException(EnhanceMessages.unableToAddMethod( |
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ms, |
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getCtClass(), |
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ex), ex); |
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} |
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_methods.add(ms); |
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} |
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public Class createInterface() |
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{ |
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return createClass(); |
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} |
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} |