| /******************************************************************************* |
| * 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 |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.ui.leaktest; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.jdt.ui.leaktest.reftracker.ReferencedArrayElement; |
| import org.eclipse.jdt.ui.leaktest.reftracker.ReferencedFieldElement; |
| import org.eclipse.jdt.ui.leaktest.reftracker.ReferencedObject; |
| |
| /** |
| * Result element with information to the link to the root element |
| * |
| */ |
| |
| public class ReferenceInfo { |
| |
| private Object fReference; |
| private BacklinkNode[] fBacklinkNodes; |
| private boolean fIsPosibleLeak; |
| |
| public ReferenceInfo(ReferencedObject ref) { |
| fReference= ref.getValue(); |
| fBacklinkNodes= getBacklinkNodes(ref); |
| } |
| |
| public boolean isPosibleLeak() { |
| return fIsPosibleLeak; |
| } |
| |
| public void setPosibleLeak(boolean isPosibleLeak) { |
| fIsPosibleLeak= isPosibleLeak; |
| } |
| |
| private BacklinkNode[] getBacklinkNodes(ReferencedObject curr) { |
| ArrayList res= new ArrayList(); |
| |
| while (curr != null) { |
| String str; |
| if (curr instanceof ReferencedArrayElement) { |
| ReferencedArrayElement ref= (ReferencedArrayElement) curr; |
| String name= ref.getReferenceHolder().getValue().getClass().getComponentType().getName(); |
| str= name + String.valueOf('[') + ref.getIndex() + String.valueOf(']'); |
| } else if (curr instanceof ReferencedFieldElement) { |
| ReferencedFieldElement ref= (ReferencedFieldElement) curr; |
| String name= ref.getField().getDeclaringClass().getName(); |
| str= name + "#" + ref.getField().getName(); |
| } else { |
| str= curr.getValue().getClass().getName(); |
| } |
| res.add(new BacklinkNode(str, curr.getValue())); |
| curr= curr.getReferenceHolder(); |
| } |
| return (BacklinkNode[]) res.toArray(new BacklinkNode[res.size()]); |
| } |
| |
| public Object getReference() { |
| return fReference; |
| } |
| |
| public BacklinkNode[] getBacklinkNodes() { |
| return fBacklinkNodes; |
| } |
| |
| public String toString() { |
| StringBuffer buf= new StringBuffer(); |
| buf.append(getReference().getClass().getName()).append('\n'); |
| BacklinkNode[] backlinkNodes= getBacklinkNodes(); |
| for (int i= 0; i < backlinkNodes.length; i++) { |
| buf.append(" ").append(backlinkNodes[i].getBackLinkString()); |
| String value= backlinkNodes[i].getValue().toString(); |
| if (value.length() > 100) |
| value= value.substring(0, 99); |
| buf.append(" -> ").append(value).append('\n'); |
| } |
| return buf.toString(); |
| } |
| |
| private static class BacklinkNode { |
| |
| private Object fValue; |
| private final String fBackStrings; |
| |
| public BacklinkNode(String str, Object value) { |
| fBackStrings= str; |
| fValue= value; |
| } |
| |
| public String getBackLinkString() { |
| return fBackStrings; |
| } |
| |
| public Object getValue() { |
| return fValue; |
| } |
| |
| } |
| |
| } |
| |
| |