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/*******************************************************************************
* Copyright (c) 2000, 2018 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.text.templates;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import org.eclipse.jface.text.templates.TemplateContextType;
/**
* A registry for context types. Editor implementors will usually instantiate a
* registry and configure the context types available in their editor.
* <p>
* In order to pick up templates contributed using the <code>org.eclipse.ui.editors.templates</code>
* extension point, use a <code>ContributionContextTypeRegistry</code>.
* </p>
*
* @since 3.7
*/
public class ContextTypeRegistry {
/** all known context types */
private final Map<String, TemplateContextType> fContextTypes= new LinkedHashMap<>();
/**
* Adds a context type to the registry. If there already is a context type
* with the same ID registered, it is replaced.
*
* @param contextType the context type to add
*/
public void addContextType(TemplateContextType contextType) {
fContextTypes.put(contextType.getId(), contextType);
}
/**
* Returns the context type if the id is valid, <code>null</code> otherwise.
*
* @param id the id of the context type to retrieve
* @return the context type if <code>name</code> is valid, <code>null</code> otherwise
*/
public TemplateContextType getContextType(String id) {
return fContextTypes.get(id);
}
/**
* Returns an iterator over all registered context types.
*
* @return an iterator over all registered context types
*/
public Iterator<TemplateContextType> contextTypes() {
return fContextTypes.values().iterator();
}
}
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