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/*******************************************************************************
* Copyright (c) 2005, 2015 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
* Semion Chichelnitsky (semion@il.ibm.com) - bug 208564
*******************************************************************************/
package org.eclipse.core.runtime.preferences;
/**
* Class which represents and preference filter entry to be used during preference
* import/export (for example).
*
* @since 3.1
* @see org.eclipse.core.runtime.preferences.IPreferenceFilter
*/
public final class PreferenceFilterEntry {
private final String key;
private String matchType;
/**
* Constructor for the class. Create a new preference filter entry with the given
* key. The key must <em>not</em> be <code>null</code> or empty.
*
* @param key the name of the preference key
*/
public PreferenceFilterEntry(String key) {
super();
if (key == null || key.length() == 0)
throw new IllegalArgumentException();
this.key = key;
}
/**
* Constructor for the class. Create a new preference filter entry with the given
* key and match type. The key must <em>not</em> be <code>null</code> or empty.
* <p>
* Setting matchType to "prefix" treats the key as if it were a regular expression
* with an asterisk at the end. If matchType is <code>null</code>, the key must be
* an exact match.
* </p>
* @param key the name of the preference key
* @param matchType specifies key match type, may be <code>null</code> to indicate
* that exact match is required
* @since 3.3
*/
public PreferenceFilterEntry(String key, String matchType) {
this(key);
this.matchType = matchType;
}
/**
* Return the name of the preference key for this filter entry.
* It will <em>not</em> return <code>null</code> or the
* empty string.
*
* @return the name of the preference key
*/
public String getKey() {
return key;
}
/**
* Return the match type specified for this filter. May return <code>null</code>
* to indicate that exact match is used.
* @return matchType the match type, might be <code>null</code> indicating that
* exact match is used
* @since 3.3
*/
public String getMatchType() {
return matchType;
}
}
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