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/*******************************************************************************
* Copyright (c) 2000, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* yyyymmdd bug Email and other contact information
* -------- -------- -----------------------------------------------------------
* 20080505 182167 makandre@ca.ibm.com - Andrew Mak, Warning not issued when non-instantiable class is bypassed in sampe JSPs
*******************************************************************************/
package org.eclipse.jst.ws.internal.consumption.codegen.javamofvisitors;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jem.java.Field;
import org.eclipse.jem.java.JavaClass;
import org.eclipse.jem.java.JavaHelpers;
import org.eclipse.jem.java.JavaParameter;
import org.eclipse.jem.java.Method;
import org.eclipse.jst.ws.internal.consumption.codegen.Visitor;
import org.eclipse.jst.ws.internal.consumption.codegen.VisitorAction;
import org.eclipse.jst.ws.internal.consumption.command.common.JavaMofReflectionCommand;
import org.eclipse.jst.ws.internal.consumption.datamodel.beanmodel.TypeFactory;
import org.eclipse.jst.ws.internal.consumption.sampleapp.common.SamplePropertyDescriptor;
import org.eclipse.wst.common.environment.IEnvironment;
/**
* Objects of this class represent a visitor.
* */
public class JavaMofAttributeVisitor implements Visitor
{
// Copyright
public static final String copyright = "(c) Copyright IBM Corporation 2000, 2002.";
private String clientProject;
private boolean returnParameter;
private IEnvironment env;
public void setEnvironment(IEnvironment env)
{
this.env = env;
}
/*
* Use this to reflect
*/
public void setProject(String clientProject)
{
this.clientProject = clientProject;
}
/*
* Use this to reflect
*/
public String getProject()
{
return clientProject;
}
public void setReturnParameter(boolean returnParameter)
{
this.returnParameter = returnParameter;
}
/*
* Get the attribute belonging to this complex type
* @param JavaParameter javaParameter that owns the type
* @param VisitorAction Action to be performed on each method
**/
public IStatus run ( Object javaclass, VisitorAction vAction)
{
IStatus status = Status.OK_STATUS;
JavaClass javaClass = (JavaClass)javaclass;
Hashtable spdMap = new Hashtable();
for (Iterator m=javaClass.getPublicMethods().iterator(); m.hasNext(); ) {
Method method=(Method)m.next();
if (((method.getMethodElementSignature().startsWith("get")
|| method.getMethodElementSignature().startsWith("is"))
&& method.listParametersWithoutReturn().length == 0 )
|| (method.getMethodElementSignature().startsWith("set")
&& method.listParametersWithoutReturn().length > 0)) {
int sub = 3;
if(method.getMethodElementSignature().startsWith("is"))
sub = 2;
String propertyName = method.getMethodElementSignature().substring(sub);
String lower = propertyName.substring(0,1).toLowerCase();
String remainder = propertyName.substring(1);
propertyName = lower + remainder;
int index = propertyName.lastIndexOf("(");
String temp = propertyName;
propertyName = temp.substring(0,index);
//find the propertydescriptor
SamplePropertyDescriptor spd = (SamplePropertyDescriptor)spdMap.get(propertyName);
if(spd == null){
spd = new SamplePropertyDescriptor(propertyName);
spdMap.put(propertyName,spd);
}
if(method.getMethodElementSignature().startsWith("set"))
spd.setWriteMethod(method);
else
spd.setReadMethod(method);
Field field = javaClass.getFieldNamed(propertyName);
JavaHelpers propertyType = null;
if(field != null){
propertyType = (JavaHelpers)field.getEType();
spd.setfStatic(field.isStatic());
}
else{
if(method.getMethodElementSignature().startsWith("get") || method.getMethodElementSignature().startsWith("is"))
propertyType = method.getReturnType();
else{
JavaParameter params[] = method.listParametersWithoutReturn();
propertyType = params[0].getJavaType();
}
}
spd.setPropertyType(propertyType);
}
}
Enumeration spdEnum = spdMap.elements();
while(spdEnum.hasMoreElements()){
SamplePropertyDescriptor spd = (SamplePropertyDescriptor)spdEnum.nextElement();
if(spdCheck(spd)) {
status = vAction.visit(spd);
if (status.getSeverity() == IStatus.ERROR)
break;
}
}
return status;
}
private boolean spdCheck(SamplePropertyDescriptor spd)
{
//check for indexed properties
Method writeMethod = spd.getWriteMethod();
if(writeMethod != null)
if(writeMethod.listParametersWithoutReturn().length > 1) return false;
if(spd.getPropertyType() == null) return false;
if(spd.getPropertyType().isPrimitive()) return true;
if(returnParameter && TypeFactory.isRecognizedReturnType(spd.getPropertyType())) return true;
if(!returnParameter && TypeFactory.isUnSupportedType(spd.getPropertyType())) return true;
if(!checkPolarity(spd)) return false;
// so its a bean make sure it has a default constructor
JavaMofReflectionCommand javaMofRef = new JavaMofReflectionCommand();
javaMofRef.setClientProject(getProject());
javaMofRef.setProxyBean(((JavaHelpers)spd.getPropertyType()).getQualifiedName());
javaMofRef.setEnvironment( env );
javaMofRef.execute(null, null);
if(javaMofRef.getJavaClass() instanceof JavaClass){
if(TypeFactory.recognizedBean(javaMofRef.getJavaClass().getJavaName())) return true;
return defaultCheck((JavaClass)javaMofRef.getJavaClass());
}
return true;
}
private boolean checkPolarity(SamplePropertyDescriptor spd){
Method readMethod = spd.getReadMethod();
Method writeMethod = spd.getWriteMethod();
if((readMethod == null && writeMethod != null) || (readMethod != null && writeMethod == null))
return true;
if(readMethod == null && writeMethod == null)
return false;
JavaParameter javaParameter[] = writeMethod.listParametersWithoutReturn();
for(int i = 0;i< javaParameter.length;i++){
JavaParameter jp = javaParameter[i];
jp.getJavaType().getJavaName();
readMethod.getReturnType().getJavaName();
if(jp.getJavaType().getJavaName().equals(readMethod.getReturnType().getJavaName()))
return true;
}
return false;
}
private boolean defaultCheck(JavaClass javaClass){
Iterator m=javaClass.getMethods().iterator();
//now check for a default constructor
boolean defaultConst = true;
while (m.hasNext()) {
Method method=(Method)m.next();
if (javaClass.getName().equals(method.getName())){
//now the inputs
JavaParameter javaParameter[] = method.listParametersWithoutReturn();
if (javaParameter.length > 0){
//then we have no default constructor
defaultConst = false;
}
else if(javaParameter.length == 0){
if (method.getJavaVisibility().getValue() == 0)
return true;
}
}
}
return defaultConst;
}
}
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