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Container pom for Pentaho Data Integration modules
/*! ******************************************************************************
*
* Pentaho Data Integration
*
* Copyright (C) 2002-2017 by Hitachi Vantara : http://www.pentaho.com
*
*******************************************************************************
*
* Licensed 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.pentaho.di.laf;
public interface PropertyHandler extends Handler {
/**
* load properties for the given properties file
*
* @param filename
* @return true if load was successful
*/
public boolean loadProps( String filename );
/**
* check to see whether a property file exists within the classpath or filesystem
*
* @param filename
* @return true if resource exists
*/
public boolean exists( String filename );
/**
* return the value of a given key from the properties list
*
* @param key
* @return null if the key is not found
*/
public String getProperty( String key );
/**
* return the value of a given key from the properties list, returning the defValue string should the key not be found
*
* @param key
* @param defValue
* @return a string representing either the value associated with the passed key or defValue should that key not be
* found
*/
public String getProperty( String key, String defValue );
}