Java tutorial
/* ==================================================================== * * The ObjectStyle Group Software License, Version 1.0 * * Copyright (c) 2002 The ObjectStyle Group * and individual authors of the software. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. 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For more * information on the ObjectStyle Group, please see * <http://objectstyle.org/>. * */ package org.objectstyle.wolips.target; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import org.eclipse.core.resources.IMarker; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.IResourceDelta; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.OperationCanceledException; import org.eclipse.core.runtime.Path; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaModelMarker; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.internal.core.JavaModelManager; import org.eclipse.jdt.internal.core.builder.JavaBuilder; import org.eclipse.jdt.internal.core.builder.State; public class TargetBuilder extends JavaBuilder { public static String ID = "org.objectstyle.wolips.targetbuilder.targetbuilder"; public static String RESOURCE = "resource"; public static String ATTRIBUTES = "attributes"; private HashMap _problemMarkers; public TargetBuilder() { super(); } private void cancelBuildOnErrors() throws CoreException { Integer severityError = new Integer(IMarker.SEVERITY_ERROR); IMarker[] problemMarkers = JavaBuilder.getProblemsFor(getProject()); for (int j = 0; j < problemMarkers.length; j++) { if (problemMarkers[j].getAttribute(IMarker.SEVERITY).equals(severityError)) { // if (isResourceTargetMember(problemMarkers[j].getResource())) throw new OperationCanceledException("Compilation Errors"); } } } protected IProject[] build(int kind, Map args, IProgressMonitor monitor) throws CoreException { State buildState; String buldStateKey; IProject[] result = null; IProject project = getProject(); List targets = targets(); if (targets == null) return null; IJavaProject javaProject = JavaCore.create(project); IPath projectOutputLocation = javaProject.getOutputLocation(); IClasspathEntry[] projectClasspath = javaProject.getRawClasspath(); _problemMarkers = new HashMap(); TargetBuilderPlugin plugin = TargetBuilderPlugin.getDefault(); try { for (int i = 0; i < targets.size(); i++) { BuildTarget target = (BuildTarget) targets.get(i); buldStateKey = project.getName() + "/" + target.name(); javaProject.setOutputLocation(target.outputLocation(), monitor); javaProject.setRawClasspath(target.classPathEntries(), monitor); buildState = plugin.buildStateForKey(buldStateKey); JavaModelManager.getJavaModelManager().setLastBuiltState(project, buildState); result = super.build(kind, args, monitor); buildState = (State) JavaModelManager.getJavaModelManager().getLastBuiltState(project, monitor); plugin.setBuildStateForKey(buildState, buldStateKey); registerProblemMarkers(JavaBuilder.getProblemsFor(getProject())); // cancelBuildOnErrors(javaProject); } } finally { javaProject.setOutputLocation(projectOutputLocation, monitor); javaProject.setRawClasspath(projectClasspath, monitor); updateProblemMarkers(); cancelBuildOnErrors(); } return result; } private List targets() throws CoreException { IResourceDelta targetFileDelta = null; IProject project = getProject(); TargetBuilderNature targetNature = (TargetBuilderNature) project.getNature(TargetBuilderNature.ID); if (targetNature == null) return null; // check for changes in targets.plist file IResourceDelta sourceDelta = getDelta(project); if (sourceDelta != null) targetFileDelta = sourceDelta.findMember(new Path(TargetBuilderNature.TARGETFILE)); if (targetNature.targets() == null || targetNature.targets().size() == 0 || targetFileDelta != null) targetNature.synchronizeWithFile(); List targets = targetNature.targets(); if (targets == null) return null; return targets; } private void updateProblemMarkers() throws CoreException { // JavaBuilder.removeProblemsFor(getProject()); JavaBuilder.removeProblemsAndTasksFor(getProject()); Set problemAttributes = _problemMarkers.entrySet(); for (Iterator iter = problemAttributes.iterator(); iter.hasNext();) { Map element = (Map) ((Map.Entry) iter.next()).getValue(); IResource resource = (IResource) element.get(TargetBuilder.RESOURCE); Map attributes = (Map) element.get(TargetBuilder.ATTRIBUTES); IMarker marker = resource.createMarker(IJavaModelMarker.JAVA_MODEL_PROBLEM_MARKER); marker.setAttributes(attributes); } } public void registerProblemMarkers(IMarker[] problemMarkers) throws CoreException { Map tempMap; for (int i = 0; i < problemMarkers.length; i++) { // if (isResourceTargetMember(problemMarkers[i].getResource())) { String hashKey = ""; if (problemMarkers[i].getResource().getFullPath() != null) hashKey = hashKey + problemMarkers[i].getResource().getFullPath().toString(); if (problemMarkers[i].getAttribute(IMarker.LINE_NUMBER) != null) hashKey = hashKey + problemMarkers[i].getAttribute(IMarker.LINE_NUMBER).toString(); if (problemMarkers[i].getAttribute(IMarker.MESSAGE) != null) hashKey = hashKey + problemMarkers[i].getAttribute(IMarker.MESSAGE); if (!_problemMarkers.containsKey(hashKey)) { tempMap = new HashMap(); tempMap.put(TargetBuilder.RESOURCE, problemMarkers[i].getResource()); tempMap.put(TargetBuilder.ATTRIBUTES, problemMarkers[i].getAttributes()); _problemMarkers.put(hashKey, tempMap); } } } } }