/*******************************************************************************
* Copyright (c) 2000, 2006 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.dltk.internal.core;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.dltk.core.BuildpathContainerInitializer;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.DLTKLanguageManager;
import org.eclipse.dltk.core.IBuildpathContainer;
import org.eclipse.dltk.core.IDLTKLanguageToolkit;
import org.eclipse.dltk.core.IScriptProject;
import org.eclipse.dltk.internal.core.util.Util;
public class UserLibraryBuildpathContainerInitializer extends
BuildpathContainerInitializer {
private IDLTKLanguageToolkit toolkit;
/*
* (non-Javadoc)
*
* @see org.eclipse.dltk.core.ClasspathContainerInitializer#canUpdateClasspathContainer(org.eclipse.core.runtime.IPath,
* org.eclipse.dltk.core.IJavaProject)
*/
public boolean canUpdateBuildpathContainer(IPath containerPath,
IScriptProject project) {
return isUserLibraryContainer(containerPath);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.dltk.core.ClasspathContainerInitializer#getComparisonID(org.eclipse.core.runtime.IPath,
* org.eclipse.dltk.core.IJavaProject)
*/
public Object getComparisonID(IPath containerPath, IScriptProject project) {
return containerPath;
}
/**
* @see org.eclipse.dltk.core.ClasspathContainerInitializer#getDescription(org.eclipse.core.runtime.IPath,
* org.eclipse.dltk.core.IJavaProject)
*/
public String getDescription(IPath containerPath, IScriptProject project) {
if (isUserLibraryContainer(containerPath)) {
return containerPath.segment(1);
}
return super.getDescription(containerPath, project);
}
public void initialize(IPath containerPath, IScriptProject project)
throws CoreException {
if (isUserLibraryContainer(containerPath)) {
String userLibName = containerPath.segment(1);
IDLTKLanguageToolkit tk;
tk = DLTKLanguageManager.getLanguageToolkit(project);
int pos = userLibName.indexOf("#"); //$NON-NLS-1$
if (tk == null && pos != -1) {
String nature = userLibName.substring(0, pos);
tk = DLTKLanguageManager.getLanguageToolkit(nature);
userLibName = userLibName.substring(pos + 1);
}
if (tk == null) {
tk = toolkit;
}
if (tk == null) {
throw new CoreException(
new Status(
IStatus.ERROR,
DLTKCore.PLUGIN_ID,
Messages.UserLibraryBuildpathContainerInitializer_dltkLanguageToolkitIsNull));
}
UserLibrary userLibrary = ModelManager.getUserLibraryManager()
.getUserLibrary(userLibName, tk);
if (userLibrary != null) {
UserLibraryBuildpathContainer container = new UserLibraryBuildpathContainer(
userLibName, tk);
DLTKCore.setBuildpathContainer(containerPath,
new IScriptProject[] { project },
new IBuildpathContainer[] { container }, null);
} else if (ModelManager.BP_RESOLVE_VERBOSE) {
verbose_no_user_library_found(project, userLibName);
}
} else if (ModelManager.BP_RESOLVE_VERBOSE) {
verbose_not_a_user_library(project, containerPath);
}
}
private boolean isUserLibraryContainer(IPath path) {
return path != null && path.segmentCount() == 2
&& DLTKCore.USER_LIBRARY_CONTAINER_ID.equals(path.segment(0));
}
/**
* @see org.eclipse.dltk.core.ClasspathContainerInitializer#requestClasspathContainerUpdate(org.eclipse.core.runtime.IPath,
* org.eclipse.dltk.core.IJavaProject,
* org.eclipse.dltk.core.IClasspathContainer)
*/
public void requestBuildpathContainerUpdate(IPath containerPath,
IScriptProject project, IBuildpathContainer containerSuggestion)
throws CoreException {
if (isUserLibraryContainer(containerPath)) {
String name = containerPath.segment(1);
if (containerSuggestion != null) {
ModelManager
.getUserLibraryManager()
.setUserLibrary(
name,
containerSuggestion.getBuildpathEntries(),
containerSuggestion.getKind() == IBuildpathContainer.K_SYSTEM,
toolkit);
} else {
ModelManager.getUserLibraryManager().removeUserLibrary(name,
toolkit);
}
// update of affected projects was done as a consequence of
// setUserLibrary() or removeUserLibrary()
}
}
private void verbose_no_user_library_found(IScriptProject project,
String userLibraryName) {
Util.verbose("UserLibrary INIT - FAILED (no user library found)\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" userLibraryName: " + userLibraryName); //$NON-NLS-1$
}
private void verbose_not_a_user_library(IScriptProject project,
IPath containerPath) {
Util.verbose("UserLibrary INIT - FAILED (not a user library)\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" container path: " + containerPath); //$NON-NLS-1$
}
public void setToolkit(IDLTKLanguageToolkit languageToolkit) {
this.toolkit = languageToolkit;
}
}