org.apache.batik.util.resources.ResourceManager Maven / Gradle / Ivy
/*
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package org.apache.batik.util.resources;
import java.util.ArrayList;
import java.util.List;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.StringTokenizer;
/**
* This class offers convenience methods to decode
* resource bundle entries
*
* @author Stephane Hillion
* @version $Id: ResourceManager.java 1733416 2016-03-03 07:07:13Z gadams $
*/
public class ResourceManager {
/**
* The managed resource bundle
*/
protected ResourceBundle bundle;
/**
* Creates a new resource manager
* @param rb a resource bundle
*/
public ResourceManager(ResourceBundle rb) {
bundle = rb;
}
/**
* Returns the string that is mapped with the given key
* @param key a key in the resource bundle
* @throws MissingResourceException if key is not the name of a resource
*/
public String getString(String key)
throws MissingResourceException {
return bundle.getString(key);
}
/**
* Returns the tokens that compose the string mapped
* with the given key. Delimiters (" \t\n\r\f") are not returned.
* @param key a key of the resource bundle
* @throws MissingResourceException if key is not the name of a resource
*/
public List getStringList(String key)
throws MissingResourceException {
return getStringList(key, " \t\n\r\f", false);
}
/**
* Returns the tokens that compose the string mapped
* with the given key. Delimiters are not returned.
* @param key a key of the resource bundle
* @param delim the delimiters of the tokens
* @throws MissingResourceException if key is not the name of a resource
*/
public List getStringList(String key, String delim)
throws MissingResourceException {
return getStringList(key, delim, false);
}
/**
* Returns the tokens that compose the string mapped
* with the given key
* @param key a key of the resource bundle
* @param delim the delimiters of the tokens
* @param returnDelims if true, the delimiters are returned in the list
* @throws MissingResourceException if key is not the name of a resource
*/
public List getStringList(String key, String delim, boolean returnDelims)
throws MissingResourceException {
List result = new ArrayList();
StringTokenizer st = new StringTokenizer(getString(key),
delim,
returnDelims);
while (st.hasMoreTokens()) {
result.add(st.nextToken());
}
return result;
}
/**
* Returns the boolean mapped with the given key
* @param key a key of the resource bundle
* @throws MissingResourceException if key is not the name of a resource
* @throws ResourceFormatException if the resource is malformed
*/
public boolean getBoolean(String key)
throws MissingResourceException, ResourceFormatException {
String b = getString(key);
if (b.equals("true")) {
return true;
} else if (b.equals("false")) {
return false;
} else {
throw new ResourceFormatException("Malformed boolean",
bundle.getClass().getName(),
key);
}
}
/**
* Returns the integer mapped with the given string
* @param key a key of the resource bundle
* @throws MissingResourceException if key is not the name of a resource
* @throws ResourceFormatException if the resource is malformed
*/
public int getInteger(String key)
throws MissingResourceException, ResourceFormatException {
String i = getString(key);
try {
return Integer.parseInt(i);
} catch (NumberFormatException e) {
throw new ResourceFormatException("Malformed integer",
bundle.getClass().getName(),
key);
}
}
public int getCharacter(String key)
throws MissingResourceException, ResourceFormatException {
String s = getString(key);
if(s == null || s.length() == 0){
throw new ResourceFormatException("Malformed character",
bundle.getClass().getName(),
key);
}
return s.charAt(0);
}
}