org.codehaus.plexus.interpolation.fixed.PrefixedPropertiesValueSource Maven / Gradle / Ivy
package org.codehaus.plexus.interpolation.fixed;
/*
* 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.
*/
import java.util.List;
import java.util.Properties;
/**
* Legacy support. Allow trimming one of a set of expression prefixes, the lookup
* the remaining expression as a literal key from the wrapped properties instance.
* This is just a convenience implementation to provide a shorthand for constructing
* the properties value source and then wrapping it with a prefixed value-source wrapper.
*
*/
public class PrefixedPropertiesValueSource
extends AbstractDelegatingValueSource
{
/**
* Wrap the specified properties file with a new {@link org.codehaus.plexus.interpolation.PropertiesBasedValueSource}, then
* wrap that source with a new {@link org.codehaus.plexus.interpolation.PrefixedValueSourceWrapper} that uses the specified
* expression prefix. Finally, set this wrapper source as a delegate for this
* instance to use.
*
* @param prefix The expression prefix to trim
* @param properties The properties instance to wrap
*/
public PrefixedPropertiesValueSource( String prefix, Properties properties )
{
super( new PrefixedValueSourceWrapper( new PropertiesBasedValueSource( properties ), prefix ) );
}
/**
* Wrap the specified properties file with a new {@link org.codehaus.plexus.interpolation.PropertiesBasedValueSource}, then
* wrap that source with a new {@link org.codehaus.plexus.interpolation.PrefixedValueSourceWrapper} that uses the specified
* expression-prefix list. Finally, set this wrapper source as a delegate for this
* instance to use.
*
* @param possiblePrefixes The expression-prefix list to trim
* @param properties The properties instance to wrap
* @param allowUnprefixedExpressions allow unprefixed expressions or not.
*/
public PrefixedPropertiesValueSource( List possiblePrefixes, Properties properties,
boolean allowUnprefixedExpressions )
{
super( new PrefixedValueSourceWrapper( new PropertiesBasedValueSource( properties ), possiblePrefixes,
allowUnprefixedExpressions ) );
}
}