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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.core;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFileModificationValidator;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.team.core.RepositoryProvider;
public class FileModificationValidatorManager implements IFileModificationValidator {
private IFileModificationValidator defaultValidator;
/*
* @see IFileModificationValidator#validateEdit(IFile[], Object)
* For all files, determine which provider.
* Ask each provider once for its files.
* Collect the resulting status' and return a MultiStatus.
*/
public IStatus validateEdit(IFile[] files, Object context) {
ArrayList returnStati = new ArrayList();
//map provider to the files under that provider's control
Map providersToFiles = new HashMap(files.length);
//for each file, determine which provider, map providers to files
for (int i = 0; i < files.length; i++) {
IFile file = files[i];
RepositoryProvider provider = RepositoryProvider.getProvider(file.getProject());
if (!providersToFiles.containsKey(provider)) {
providersToFiles.put(provider, new ArrayList());
}
((ArrayList)providersToFiles.get(provider)).add(file);
}
Iterator providersIterator = providersToFiles.keySet().iterator();
boolean allOK = true;
//for each provider, validate its files
while(providersIterator.hasNext()) {
RepositoryProvider provider = (RepositoryProvider)providersIterator.next();
ArrayList filesList = (ArrayList)providersToFiles.get(provider);
IFile[] filesArray = (IFile[])filesList.toArray(new IFile[filesList.size()]);
IFileModificationValidator validator = getDefaultValidator();
//if no provider or no validator use the default validator
if (provider != null) {
IFileModificationValidator v = provider.getFileModificationValidator();
if (v != null) validator = v;
}
IStatus status = validator.validateEdit(filesArray, context);
if(!status.isOK())
allOK = false;
returnStati.add(status);
}
if (returnStati.size() == 1) {
return (IStatus)returnStati.get(0);
}
return new MultiStatus(TeamPlugin.ID,
0,
(IStatus[])returnStati.toArray(new IStatus[returnStati.size()]),
Policy.bind(
allOK
? "FileModificationValidator.ok" //$NON-NLS-1$
: "FileModificationValidator.editFailed"), //$NON-NLS-1$
null); //$NON-NLS-1$
}
/*
* @see IFileModificationValidator#validateSave(IFile)
*/
public IStatus validateSave(IFile file) {
RepositoryProvider provider = RepositoryProvider.getProvider(file.getProject());
IFileModificationValidator validator = getDefaultValidator();
//if no provider or no validator use the default validator
if (provider != null) {
IFileModificationValidator v = provider.getFileModificationValidator();
if (v != null) validator = v;
}
return validator.validateSave(file);
}
private synchronized IFileModificationValidator getDefaultValidator() {
if (defaultValidator == null) {
loadDefaultValidator();
}
return defaultValidator;
}
private void loadDefaultValidator() {
defaultValidator = new DefaultFileModificationValidator();
IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(TeamPlugin.ID, TeamPlugin.DEFAULT_FILE_MODIFICATION_VALIDATOR_EXTENSION);
if (extension != null) {
IExtension[] extensions = extension.getExtensions();
if (extensions.length > 0) {
IConfigurationElement[] configElements = extensions[0].getConfigurationElements();
if (configElements.length > 0) {
try {
Object o = configElements[0].createExecutableExtension("class"); //$NON-NLS-1$
if (o instanceof IFileModificationValidator) {
defaultValidator = (IFileModificationValidator)o;
}
} catch (CoreException e) {
TeamPlugin.log(e);
}
}
}
}
}
}
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