com.servicerocket.confluence.randombits.storage.PropertiesStorage Maven / Gradle / Ivy
/*
* Copyright (c) 2006, David Peterson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of "randombits.org" nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* POSSIBILITY OF SUCH DAMAGE.
*/
package com.servicerocket.confluence.randombits.storage;
import java.util.Properties;
import java.util.Set;
/**
* This implementation of {@link Storage} has a Properties object at it's base.
*/
public class PropertiesStorage extends StringBasedStorage {
private Properties properties;
/**
* Constructs a new instance with the specified properties as the base.
*
* @param props The properties.
*/
public PropertiesStorage(Properties props) {
super(BoxType.Virtual);
this.properties = props;
}
/**
* Returns the base set of names.
*/
@Override protected Set baseNameSet() {
if (properties != null) {
Set cProperties = new java.util.HashSet();
for ( Object key : properties.keySet() )
cProperties.add( (String)key );
return cProperties;
}
return null;
}
/**
* Returns a string from the base object.
*/
@Override protected String getBaseString(String name) {
if (properties != null)
return properties.getProperty(name);
return null;
}
/**
* Sets a string in the base object.
*/
@Override protected void setBaseString(String name, String value) {
checkReadOnly();
if ( properties != null )
properties.setProperty( name, value );
}
/**
* @return false.
*/
@Override public boolean isReadOnly() {
return false;
}
}