AliasUtil.java example

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gda-dal-master
/* 
 * Copyright (c) 2008 Stiftung Deutsches Elektronen-Synchrotron, 
 * Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY.
 *
 * THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "../AS IS" BASIS. 
 * WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED 
 * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND 
 * NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE 
 * IN ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR 
 * CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. 
 * NO USE OF ANY SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
 * DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, 
 * OR MODIFICATIONS.
 * THE FULL LICENSE SPECIFYING FOR THE SOFTWARE THE REDISTRIBUTION, MODIFICATION, 
 * USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE DISTRIBUTION OF THIS 
 * PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY FIND A COPY 
 * AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM
 */
 package org.csstudio.sds.util;

import java.util.Map;


/**
 * @author Kai Meyer, Helge Rickens
 * 
 * @deprecated use {@link ChannelReferenceValidationUtil#createCanonicalName(String, Map)} instead
 *
 */
@Deprecated
public class AliasUtil {
	
	/**
	 * Returns the resolved process variable.
	 * @param pvKey An alias
	 * @param aliases The map of known aliases
	 * @return The resolves process variable
	 * 
	 * @deprecated use {@link ChannelReferenceValidationUtil#createCanonicalName(String, Map)} instead
	 */
	@Deprecated
	public static String getAliasName(final String pvKey, final Map<String, String> aliases) {
		if (pvKey!=null && aliases!=null) {
		    String text=pvKey;
		    String prefix ="";
		    String key="";
		    String postfix ="";
		    while(text.contains("$")){
		        int start = pvKey.indexOf("$");
		        prefix = prefix.concat(pvKey.substring(0,start++));
		        int end = pvKey.indexOf("$",start);
    			key = pvKey.substring(start,end++);
    			postfix = pvKey.substring(end).concat(postfix);
    			if (aliases.containsKey(key)) {
    				text= aliases.get(key);
    			}else{
    			    break;
    			}
		    }
		    return prefix+text+postfix;
		}
		return pvKey;
	}

}