Author: scabanovich Date: 2009-12-02 08:29:19 -0500 (Wed, 02 Dec 2009) New Revision: 18990 Added: trunk/common/plugins/org.jboss.tools.common.model/src/org/jboss/tools/common/model/project/ext/AbstractClassPathMonitor.java Log: https://jira.jboss.org/jira/browse/JBIDE-4943 Added: trunk/common/plugins/org.jboss.tools.common.model/src/org/jboss/tools/common/model/project/ext/AbstractClassPathMonitor.java =================================================================== --- trunk/common/plugins/org.jboss.tools.common.model/src/org/jboss/tools/common/model/project/ext/AbstractClassPathMonitor.java (rev 0) +++ trunk/common/plugins/org.jboss.tools.common.model/src/org/jboss/tools/common/model/project/ext/AbstractClassPathMonitor.java 2009-12-02 13:29:19 UTC (rev 18990) @@ -0,0 +1,142 @@ +package org.jboss.tools.common.model.project.ext; + +import java.io.File; +import java.io.IOException; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import org.eclipse.core.resources.IProject; +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IPath; +import org.eclipse.core.runtime.Path; +import org.jboss.tools.common.model.XModel; +import org.jboss.tools.common.model.XModelObject; +import org.jboss.tools.common.model.filesystems.impl.FileSystemsLoader; +import org.jboss.tools.common.model.plugin.ModelPlugin; +import org.jboss.tools.common.model.util.EclipseResourceUtil; +import org.jboss.tools.common.model.util.XModelObjectUtil; + +/** + * Monitors class path of project and loads seam components of it. + * + * @author Viacheslav Kabanovich + */ +public abstract class AbstractClassPathMonitor<P> { + protected XModel model = null; + protected P project; + + protected List<String> paths = null; + protected Map<IPath, String> paths2 = new HashMap<IPath, String>(); + + protected Set<String> processedPaths = new HashSet<String>(); + + public AbstractClassPathMonitor() { + } + + public P getProject() { + return project; + } + + /** + * Initialization of inner model. + */ + public void init() { + } + + public abstract IProject getProjectResource(); + + /** + * Returns true if class path was up-to-date. + * Otherwise, updates inner model and disables class loader. + * @return + */ + public boolean update() { + List<String> newPaths = null; + try { + newPaths = EclipseResourceUtil.getClassPath(getProjectResource()); + List<String> jre = EclipseResourceUtil.getJREClassPath(getProjectResource()); + if(jre != null) newPaths.removeAll(jre); + } catch (CoreException e) { + //TODO + ModelPlugin.getDefault().logError(e); + } catch(IOException e) { + ModelPlugin.getDefault().logError(e); + } + if(paths == null && newPaths == null) return false; + if((newPaths == null || paths == null) || (paths.size() != newPaths.size())) { + paths = newPaths; + } else { + boolean b = false; + for (int i = 0; i < paths.size() && !b; i++) { + if(!paths.get(i).equals(newPaths.get(i))) b = true; + } + if(!b) return false; + paths = newPaths; + } + createMap(); + XModelObject object = model.getByPath("FileSystems"); //$NON-NLS-1$ + XModelObject[] fs = object.getChildren("FileSystemJar"); //$NON-NLS-1$ + Set<XModelObject> fss = new HashSet<XModelObject>(); + for (int i = 0; i < fs.length; i++) fss.add(fs[i]); + + for (int i = 0; i < paths.size(); i++) { + String path = paths.get(i); + if(!EclipseResourceUtil.isJar(path)) continue; + String fileName = new File(path).getName(); + if(EclipseResourceUtil.SYSTEM_JAR_SET.contains(fileName)) continue; + String jsname = "lib-" + fileName; //$NON-NLS-1$ + XModelObject o = model.getByPath("FileSystems").getChildByPath(jsname); //$NON-NLS-1$ + if(o != null) { + fss.remove(o); + } else { + o = object.getModel().createModelObject("FileSystemJar", null); //$NON-NLS-1$ + o.setAttributeValue("name", jsname); //$NON-NLS-1$ + o.setAttributeValue("location", path); //$NON-NLS-1$ + o.set(FileSystemsLoader.IS_ADDED_TO_CLASSPATH, "true"); //$NON-NLS-1$ + object.addChild(o); +// object.setModified(true); + } + } + + for (XModelObject o: fss) { + String path = XModelObjectUtil.expand(o.getAttributeValue("location"), o.getModel(), null); //$NON-NLS-1$ + if("true".equals(o.get(FileSystemsLoader.IS_ADDED_TO_CLASSPATH))) { //$NON-NLS-1$ + o.removeFromParent(); + } else if(!new File(path).exists()) { + o.removeFromParent(); + } + } + + return true; + } + + private void createMap() { + paths2.clear(); + if(paths != null) { + for (String p : paths) { + paths2.put(new Path(p), p); + } + } + } + + public void pathLoaded(IPath path) { + String p = paths2.get(path); + if(p != null) { + processedPaths.add(p); + } + } + + public boolean hasPath(IPath path) { + return paths2.get(path) != null; + } + + public void clean() { + paths = null; + if(paths2 != null) paths2.clear(); + processedPaths.clear(); + } + +} Property changes on: trunk/common/plugins/org.jboss.tools.common.model/src/org/jboss/tools/common/model/project/ext/AbstractClassPathMonitor.java ___________________________________________________________________ Name: svn:mime-type + text/plain