/*
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.eclipse.debug;
import java.util.ArrayList;
import java.util.List;
import org.drools.eclipse.DroolsEclipsePlugin;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.core.model.IValue;
import org.eclipse.debug.core.model.IVariable;
import org.eclipse.jdt.debug.core.IJavaArray;
import org.eclipse.jdt.debug.core.IJavaModifiers;
import org.eclipse.jdt.debug.core.IJavaObject;
import org.eclipse.jdt.debug.core.IJavaType;
import org.eclipse.jdt.debug.core.IJavaValue;
import org.eclipse.jdt.debug.core.IJavaVariable;
/**
* The Working Memory view content provider.
*/
public class WorkingMemoryViewContentProvider extends DroolsDebugViewContentProvider {
private DroolsDebugEventHandlerView view;
public WorkingMemoryViewContentProvider(DroolsDebugEventHandlerView view) {
this.view = view;
}
protected String getEmptyString() {
return "The selected working memory is empty.";
}
public Object[] getChildren(Object obj) {
try {
IVariable[] variables = null;
if (obj != null && obj instanceof IJavaObject
&& ("org.drools.core.common.AbstractWorkingMemory".equals(
((IJavaObject) obj).getReferenceTypeName()) ||
"org.drools.core.reteoo.ReteooStatefulSession".equals(
((IJavaObject) obj).getReferenceTypeName()) ||
// for backwards compatibility
"org.drools.reteoo.ReteooStatefulSession".equals(
((IJavaObject) obj).getReferenceTypeName()))) {
variables = getWorkingMemoryElements((IJavaObject) obj);
} else if (obj instanceof IVariable) {
if (view.isShowLogicalStructure()) {
IValue value = getLogicalValue(((IVariable) obj).getValue(), new ArrayList());
variables = value.getVariables();
}
if (variables == null) {
variables = ((IVariable) obj).getValue().getVariables();
}
}
if (variables == null) {
return new Object[0];
} else {
cache(obj, variables);
return variables;
}
} catch (DebugException e) {
DroolsEclipsePlugin.log(e);
return new Object[0];
}
}
private IVariable[] getWorkingMemoryElements(IJavaObject stackObj) throws DebugException {
IValue objects = DebugUtil.getValueByExpression("return iterateObjectsToList().toArray();", stackObj);
if (objects instanceof IJavaArray) {
IJavaArray array = (IJavaArray) objects;
List result = new ArrayList();
IJavaValue[] vals = array.getValues();
for ( int i = 0; i < vals.length; i++ ) {
result.add(new MyJavaVariable("[" + i + "]", vals[i]));
}
// objects = DebugUtil.getValueByExpression("return iterateNonDefaultEntryPointObjectsToList().toArray();", stackObj);
//
// if (objects instanceof IJavaArray) {
// IJavaArray array = (IJavaArray) objects;
// vals = array.getValues();
// for ( int i = 0; i < vals.length; i++ ) {
// vals = array.getValues();
// name = name.replace(' ', '_');
// result.add(new MyVariableWrapper(name,
// new ObjectWrapper((IJavaObject) agendaGroup,
// (IJavaVariable[]) activationsResult.toArray(new IJavaVariable[activationsResult.size()]))));
// }
// }
return (IVariable[]) result.toArray(new IVariable[0]);
}
return null;
}
public class MyJavaVariable implements IJavaVariable {
private String name;
private IJavaValue value;
public MyJavaVariable(String name, IJavaValue value) {
this.name = name;
this.value = value;
}
public String getSignature() throws DebugException {
return ((IJavaValue)getValue()).getSignature();
}
public String getGenericSignature() throws DebugException {
return ((IJavaValue)getValue()).getGenericSignature();
}
public IJavaType getJavaType() throws DebugException {
return ((IJavaValue)getValue()).getJavaType();
}
public boolean isLocal() {
return false;
}
public IValue getValue() {
return value;
}
public String getName() {
return name;
}
public String getReferenceTypeName() throws DebugException {
return ((IJavaValue) getValue()).getReferenceTypeName();
}
public boolean hasValueChanged() {
return false;
}
public boolean isPublic() {
return false;
}
public boolean isPrivate() {
return false;
}
public boolean isProtected() {
return false;
}
public boolean isPackagePrivate() {
return false;
}
public boolean isFinal() {
return false;
}
public boolean isStatic() {
return false;
}
public boolean isSynthetic() {
return false;
}
public String getModelIdentifier() {
return getValue().getModelIdentifier();
}
public IDebugTarget getDebugTarget() {
return ((IJavaValue)getValue()).getDebugTarget();
}
public ILaunch getLaunch() {
return getValue().getLaunch();
}
public void setValue(String expression) {
}
public void setValue(IValue value) {
}
public boolean supportsValueModification() {
return false;
}
public boolean verifyValue(String expression) {
return false;
}
public boolean verifyValue(IValue value) {
return false;
}
public Object getAdapter(Class adapter) {
if (IJavaVariable.class.equals(adapter) ||
IJavaModifiers.class.equals(adapter)) {
return this;
}
return null;
}
public boolean equals(Object obj) {
if (obj instanceof MyJavaVariable) {
MyJavaVariable var = (MyJavaVariable) obj;
return var.getName().equals(getName()) && var.getValue().equals(getValue());
}
return false;
}
public int hashCode() {
return name.hashCode() + value.hashCode();
}
}
}