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/*******************************************************************************
* Copyright (c) 2005, 2010 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.core.internal.validation;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.jpt.core.IResourcePart;
import org.eclipse.jpt.core.JptCorePlugin;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.osgi.service.prefs.BackingStoreException;
//TODO: Probably want to merge the behavior in this class into JptCorePlugin
public class JpaValidationPreferences {
/*
* prefix for all preference strings. This is only used internally.
* Clients of get*LevelProblemPrefernce() and set*LevelProblemPreference
* should not include the prefix.
*/
private static final String PROBLEM_PREFIX = "problem."; //$NON-NLS-1$
public static final String ERROR = "error"; //$NON-NLS-1$
public static final String WARNING = "warning"; //$NON-NLS-1$
public static final String INFO = "info"; //$NON-NLS-1$
public static final String IGNORE = "ignore"; //$NON-NLS-1$
static final int NO_SEVERITY_PREFERENCE = -1;
public static final String WORKSPACE_PREFERENCES_OVERRIDEN = "workspace_preferences_overriden"; //$NON-NLS-1$
/**
* Returns only the severity level of a given problem preference. This does not
* include information on whether the problem is ignored. See isProblemIgnored.
* @return an IMessage severity level
*/
public static int getProblemSeverityPreference(Object targetObject, String messageId) {
IProject project = getProject(targetObject);
String problemPreference = getPreference(project, messageId);
if (problemPreference == null){
return NO_SEVERITY_PREFERENCE;
} else if (problemPreference.equals(ERROR)){
return IMessage.HIGH_SEVERITY;
} else if (problemPreference.equals(WARNING)){
return IMessage.NORMAL_SEVERITY;
} else if (problemPreference.equals(INFO)){
return IMessage.LOW_SEVERITY;
}
return NO_SEVERITY_PREFERENCE;
}
private static IProject getProject(Object targetObject) {
IAdaptable target = (IAdaptable)targetObject;
IResource resource = ((IResourcePart) target.getAdapter(IResourcePart.class)).getResource();
IProject project = resource.getProject();
return project;
}
/**
* Returns whether or not this problem should be ignored based on project or
* workspace preferences
*/
public static boolean isProblemIgnored(IProject project, String messageId){
String problemPreference = getPreference(project, messageId);
if (problemPreference != null && problemPreference.equals(IGNORE)){
return true;
}
return false;
}
private static String getPreference(IProject project, String messageId) {
String problemPreference = null;
problemPreference = getProjectLevelProblemPreference(project, messageId);
//if severity is still null, check the workspace preferences
if (problemPreference == null) {
problemPreference = getWorkspaceLevelProblemPreference(messageId);
}
return problemPreference;
}
/**
* Returns the String value of the problem preference from the project preferences
*/
public static String getProjectLevelProblemPreference(IProject project, String messageId){
return getPreference(JptCorePlugin.getProjectPreferences(project), messageId);
}
public static void setProjectLevelProblemPreference(IProject project, String messageId, String problemPreference) {
IEclipsePreferences projectPreferences = JptCorePlugin.getProjectPreferences(project);
setPreference(projectPreferences, messageId, problemPreference);
flush(projectPreferences);
}
/**
* Returns the String value of the problem preference from the workspace preferences
*/
public static String getWorkspaceLevelProblemPreference(String messageId){
return getPreference(JptCorePlugin.getWorkspacePreferences(), messageId);
}
public static void setWorkspaceLevelProblemPreference(String messageId, String problemPreference) {
IEclipsePreferences workspacePreferences = JptCorePlugin.getWorkspacePreferences();
setPreference(workspacePreferences, messageId, problemPreference);
flush(workspacePreferences);
}
private static String getPreference(IEclipsePreferences preferences, String messageId) {
return preferences.get(appendProblemPrefix(messageId), null);
}
private static void setPreference(IEclipsePreferences preferences, String messageId, String problemPreference) {
if (problemPreference == null){
preferences.remove(appendProblemPrefix(messageId));
}
else {
preferences.put(appendProblemPrefix(messageId), problemPreference);
}
}
private static String appendProblemPrefix(String messageId) {
return PROBLEM_PREFIX + messageId;
}
public static void flush(IEclipsePreferences prefs) {
try {
prefs.flush();
} catch(BackingStoreException ex) {
JptCorePlugin.log(ex);
}
}
}
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