templatevariables.java

METAmorphoses is a system for flexible and easy-to-use generation of RDF metadata directly from a re

package cz.cvut.felk.cs.metamorphoses.template;

import java.util.HashMap;

/**
 * <p>This class stores variables from instances.<br/>
 * Format is: key = "instanceId-variableName", value = "variableValue"<br/>
 * 
 * </p>
 * <p>
 * <b>History:</b><br/>
 * Created: 7.4.2004<br/>
 * Last change: 7.4.2004<br/>
 * </p>
 * @author Martin Svihla ([e-mail])
 */
public class TemplateVariables {
	HashMap templateVariables;

	/**
	 * 
	 */
	public TemplateVariables() {
		this.templateVariables = new HashMap();
	}
	
	private String createVariableKey(String instanceId, String variableName) {
		return instanceId + "-" + variableName;
	}
	
	public void addVariable(
			String instanceId,
			String variableName,
			String variableValue) {
		
			templateVariables.put(createVariableKey(instanceId, variableName), variableValue);
		}

		public String getVariableValue(String instanceId, String variableName) {
			return (String) templateVariables.get(createVariableKey(instanceId, variableName));
		}

		public boolean hasVariableValue(String instanceId, String variableName) {
			if (templateVariables.containsKey(createVariableKey(instanceId, variableName))) {
				return true;
			}
			return false;
		}

//	public void addVariable(
//		String instanceId,
//		String variableName,
//		String variableValue) {
//		if (templateVariables.containsKey(instanceId)) {
//			HashMap instanceVariables =
//				(HashMap) this.templateVariables.get(instanceId);
//			instanceVariables.put(variableName, variableValue);
//		} else {
//			HashMap instanceVariables = new HashMap();
//			instanceVariables.put(variableName, variableValue);
//			this.templateVariables.put(instanceId, instanceVariables);
//		}
//		//System.out.println("vkladam premennu: " + instanceId +","+ variableName + "," + variableValue);
//	}
//
//	public String getVariableValue(String instanceId, String variableName) {
//		String variableValue = null;
//		//System.out.println("prisli : " + instanceId +","+ variableName);
//		if (templateVariables.containsKey(instanceId)) {
//			HashMap instanceVariables =
//				(HashMap) this.templateVariables.get(instanceId);
//			variableValue = (String) instanceVariables.get(variableName);
//		}
//		//System.out.println("vraciam premennu: " + variableValue);
//		return variableValue;
//	}
//
//	public boolean hasVariableValue(String instanceId, String variableName) {
//		if (templateVariables.containsKey(instanceId)) {
//			HashMap instanceVariables =
//				(HashMap) this.templateVariables.get(instanceId);
//			if (instanceVariables.containsKey(variableName)) {
//				return true;
//			}
//		}
//		return false;
//	}

	public void clear() {
		this.templateVariables.clear();
	}
}