com.liferay.util.ContextReplace Maven / Gradle / Ivy
/**
* SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
* SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
*/
package com.liferay.util;
import com.liferay.portal.kernel.util.StringUtil;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* @author Brian Wing Shun Chan
*/
public class ContextReplace implements Cloneable {
public ContextReplace() {
this(null);
}
public ContextReplace(Map context) {
if (context != null) {
_context.putAll(context);
_updateArrays();
}
}
public void addValue(String key, String value) {
if ((key != null) && (value != null)) {
_context.put(key, value);
_updateArrays();
}
}
@Override
public Object clone() {
return new ContextReplace(_context);
}
public String replace(String text) {
if (text == null) {
return null;
}
if (_keys.length == 0) {
return text;
}
return StringUtil.replace(text, _keys, _values);
}
private void _updateArrays() {
List keys = new ArrayList<>();
List values = new ArrayList<>();
for (Map.Entry entry : _context.entrySet()) {
String entryKey = entry.getKey();
String entryValue = entry.getValue();
keys.add("${" + entryKey + "}");
values.add(entryValue);
}
_keys = keys.toArray(new String[0]);
_values = values.toArray(new String[0]);
}
private final Map _context = new LinkedHashMap<>();
private String[] _keys = new String[0];
private String[] _values = new String[0];
}