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/*******************************************************************************
* Copyright (c) 2000, 2013 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.debug.internal.ui.launchConfigurations;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.debug.internal.core.IConfigurationElementConstants;
import org.eclipse.debug.internal.core.IInternalDebugCoreConstants;
import org.eclipse.debug.ui.ILaunchConfigurationTabGroup;
/**
* Proxy to a launch configuration tab group element
*/
public class LaunchConfigurationTabGroupExtension {
/**
* The configuration element defining this tab group.
*/
private IConfigurationElement fConfig = null;
/**
* A list of sets of modes that this tab group supports
* @since 3.3
*/
private List<Set<String>> fModes = null;
/**
* A map of mode sets to descriptions
* @since 3.3
*/
private Map<Set<String>, String> fDescriptions = null;
/**
* Perspectives for each mode
*/
private Map<Set<String>, String> fPerspectives = null;
/**
* Constructs a launch configuration tab extension based
* on the given configuration element
*
* @param element the configuration element defining the
* attributes of this launch configuration tab extension
* @return a new launch configuration tab extension
*/
public LaunchConfigurationTabGroupExtension(IConfigurationElement element) {
setConfigurationElement(element);
}
/**
* Sets the configuration element that defines the attributes
* for this launch configuration tab group extension.
*
* @param element configuration element
*/
private void setConfigurationElement(IConfigurationElement element) {
fConfig = element;
}
/**
* Returns the configuration element that defines the attributes
* for this launch configuration tab group extension.
*
* @param configuration element that defines the attributes
* for this launch configuration tab extension
*/
protected IConfigurationElement getConfigurationElement() {
return fConfig;
}
/**
* Returns the set of modes specified in the configuration data, or <code>null</code>
* if none (i.e. default tab group)
*
* @return the set of modes specified in the configuration data, or
* <code>null</code>
*/
protected List<Set<String>> getModes() {
if (fModes == null) {
fModes = new ArrayList<>();
fPerspectives = new Hashtable<>();
IConfigurationElement[] modes = fConfig.getChildren(IConfigurationElementConstants.LAUNCH_MODE);
if (modes.length > 0) {
IConfigurationElement element = null;
String perspective = null, mode = null;
Set<String> mset = null;
for (int i = 0; i < modes.length; i++) {
element = modes[i];
mode = element.getAttribute(IConfigurationElementConstants.MODE);
mset = new HashSet<>();
mset.add(mode);
fModes.add(mset);
perspective = element.getAttribute(IConfigurationElementConstants.PERSPECTIVE);
if (perspective != null) {
fPerspectives.put(mset, perspective);
}
}
}
}
return fModes;
}
/**
* Returns the perspective associated with the given launch
* mode, as specified in plug-in XML, or <code>null</code> if none.
*
* @param modes the set of launch modes
* @return perspective identifier, or <code>null</code>
*/
protected String getPerspective(Set<String> modes) {
getModes();
return fPerspectives.get(modes);
}
/**
* Returns the identifier of the type of launch configuration this
* tab group is associated with
*
* @return the identifier of the type of launch configuration this
* tab group is associated with
*/
protected String getTypeIdentifier() {
return getConfigurationElement().getAttribute(IConfigurationElementConstants.TYPE);
}
/**
* Returns the identifier of the help context associated with this tab
* group, or <code>null</code> if one was not specified.
*
* @return the identifier of this tab group's help context or
* <code>null</code>
* @since 2.1
*/
protected String getHelpContextId() {
return getConfigurationElement().getAttribute(IConfigurationElementConstants.HELP_CONTEXT_ID);
}
/**
* Returns the identifier of the tab group
* @return the id of the tab group
*
* @since 3.3
*/
protected String getIdentifier() {
return getConfigurationElement().getAttribute(IConfigurationElementConstants.ID);
}
/**
* Returns a new tab group defined by this extension
*
* @return a new tab group defined by this extension
* @exception CoreException if an exception occurs instantiating
* the tab group
*/
public ILaunchConfigurationTabGroup newTabGroup() throws CoreException {
return (ILaunchConfigurationTabGroup)getConfigurationElement().createExecutableExtension(IConfigurationElementConstants.CLASS);
}
/**
* Returns this tab group's description in the given mode set.
*
* @param modes the set of modes
* @return a description of the Launch Mode if available. If not available, attempts to return
* a description of the Launch Configuration. If no appropriate description is found an empty string is returned.
*/
public String getDescription(Set<String> modes) {
String description = null;
if(fDescriptions == null) {
fDescriptions = new HashMap<>();
IConfigurationElement[] children = fConfig.getChildren(IConfigurationElementConstants.LAUNCH_MODE);
IConfigurationElement child = null;
String mode = null;
HashSet<String> set = null;
for (int i = 0; i < children.length; i++) {
child = children[i];
mode = child.getAttribute(IConfigurationElementConstants.MODE);
if(mode != null) {
set = new HashSet<>();
set.add(mode);
}
description = child.getAttribute(IConfigurationElementConstants.DESCRIPTION);
if(description != null) {
fDescriptions.put(set, description);
}
}
}
description = fDescriptions.get(modes);
if(description == null) {
description = fConfig.getAttribute(IConfigurationElementConstants.DESCRIPTION);
}
return (description == null ? IInternalDebugCoreConstants.EMPTY_STRING : description);
}
}
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