| /******************************************************************************* |
| * Copyright (c) 2007 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.jst.jsp.core.taglib; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import org.eclipse.core.resources.IProject; |
| |
| public class TaglibIndexDelta implements ITaglibIndexDelta { |
| private Collection fChildren; |
| private int fExplicitKind = -1; |
| private int fImplicitKind = -1; |
| private IProject fProject; |
| private ITaglibRecord fTaglibRecord = null; |
| long time; |
| Object trigger = null; |
| |
| TaglibIndexDelta(IProject project, ITaglibRecord record, int kind) { |
| fProject = project; |
| fTaglibRecord = record; |
| fExplicitKind = kind; |
| time = System.currentTimeMillis(); |
| } |
| |
| void addChildDelta(ITaglibIndexDelta delta) { |
| if (fChildren == null) |
| fChildren = new ArrayList(); |
| fChildren.add(delta); |
| fImplicitKind = -1; |
| } |
| |
| private int computeKind() { |
| int added = 0; |
| int removed = 0; |
| |
| ITaglibIndexDelta[] children = (ITaglibIndexDelta[]) fChildren.toArray(new ITaglibIndexDelta[fChildren.size()]); |
| for (int i = 0; i < children.length; i++) { |
| int kind = children[i].getKind(); |
| if (kind == ITaglibIndexDelta.ADDED) |
| added++; |
| if (kind == ITaglibIndexDelta.REMOVED) |
| removed++; |
| if (added > 0 && removed > 0) |
| break; |
| } |
| if (added > 0 && removed > 0) { |
| return ITaglibIndexDelta.CHANGED; |
| } |
| else if (added > 0) { |
| return ITaglibIndexDelta.ADDED; |
| } |
| else if (removed > 0) { |
| return ITaglibIndexDelta.REMOVED; |
| } |
| else { |
| return ITaglibIndexDelta.CHANGED; |
| } |
| } |
| |
| public ITaglibIndexDelta[] getAffectedChildren() { |
| if (fChildren == null) { |
| return new ITaglibIndexDelta[0]; |
| } |
| return (ITaglibIndexDelta[]) fChildren.toArray(new ITaglibIndexDelta[fChildren.size()]); |
| } |
| |
| public int getKind() { |
| if (fChildren == null) { |
| return fExplicitKind; |
| } |
| if (fImplicitKind == -1) { |
| fImplicitKind = computeKind(); |
| } |
| return fImplicitKind; |
| } |
| |
| public IProject getProject() { |
| return fProject; |
| } |
| |
| public ITaglibRecord getTaglibRecord() { |
| return fTaglibRecord; |
| } |
| |
| public long getTime() { |
| return time; |
| } |
| |
| public Object getTrigger() { |
| return trigger; |
| } |
| |
| public String toString() { |
| if (fTaglibRecord != null) { |
| String string = fTaglibRecord.toString(); |
| int kind = getKind(); |
| switch (kind) { |
| case ITaglibIndexDelta.ADDED : |
| string = " ADDED (" + string + ")"; //$NON-NLS-1$ //$NON-NLS-2$ |
| break; |
| case ITaglibIndexDelta.CHANGED : |
| string = " CHANGED (" + string + ")"; //$NON-NLS-1$ //$NON-NLS-2$ |
| break; |
| case ITaglibIndexDelta.REMOVED : |
| string = " REMOVED (" + string + ")"; //$NON-NLS-1$ //$NON-NLS-2$ |
| break; |
| default : |
| string = " other:" + kind + " (" + string + ")"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| break; |
| } |
| return string; |
| } |
| else { |
| StringBuffer buffer = new StringBuffer(); |
| int kind = getKind(); |
| switch (kind) { |
| case ITaglibIndexDelta.ADDED : |
| buffer.append("TaglibIndexDelta(" + fProject + "):ADDED\n"); //$NON-NLS-1$ |
| break; |
| case ITaglibIndexDelta.CHANGED : |
| buffer.append("TaglibIndexDelta(" + fProject + "):CHANGED\n"); //$NON-NLS-1$ |
| break; |
| case ITaglibIndexDelta.REMOVED : |
| buffer.append("TaglibIndexDelta(" + fProject + "):REMOVED\n"); //$NON-NLS-1$ |
| break; |
| } |
| ITaglibIndexDelta[] children = getAffectedChildren(); |
| for (int i = 0; i < children.length; i++) { |
| buffer.append('\t'); |
| buffer.append(children[i].toString()); |
| if (i < children.length - 1) { |
| buffer.append('\n'); |
| } |
| } |
| return buffer.toString(); |
| } |
| } |
| } |