bundles/org.eclipse.e4.languages.javascript.debug/src/org/eclipse/e4/languages/javascript/debug/model/JSDIValue.java

/*******************************************************************************
 * Copyright (c) 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.e4.languages.javascript.debug.model;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IValue;
import org.eclipse.debug.core.model.IVariable;
import org.eclipse.e4.languages.javascript.jsdi.PropertiesReference;
import org.eclipse.e4.languages.javascript.jsdi.Property;
import org.eclipse.e4.languages.javascript.jsdi.Value;

/**
 * Default implementation of
 */
public class JSDIValue extends JSDIDebugElement implements IValue {

	private Value value;
	private String name;

	public JSDIValue(JSDIVariable jsdiVariable, Value value) {
		super(jsdiVariable.getJSDITarget());
		this.name = jsdiVariable.getName();
		this.value = value;
	}

	public JSDIValue(JSDIProperty jsdiProperty, Value value) {
		super(jsdiProperty.getJSDITarget());
		this.name = jsdiProperty.getName();
		this.value = value;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.debug.core.model.IValue#getReferenceTypeName()
	 */
	public String getReferenceTypeName() throws DebugException {
		return value.getValueTypeName();
	}

	/**
	 * Return the name to display for the variable
	 * 
	 * @return the variable name
	 */
	public String getName() {
		return name;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.debug.core.model.IValue#getValueString()
	 */
	public String getValueString() throws DebugException {
		return value.toString();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.debug.core.model.IValue#getVariables()
	 */
	public IVariable[] getVariables() throws DebugException {
		if (!hasVariables())
			return null;
		PropertiesReference reference = (PropertiesReference) value;

		List properties = reference.properties();
		List result = new ArrayList(properties.size());
		for (Iterator iterator = properties.iterator(); iterator.hasNext();) {
			Property property = (Property) iterator.next();
			JSDIProperty jsdiProperty = new JSDIProperty(this, reference, property);
			result.add(jsdiProperty);
		}
		return (IVariable[]) result.toArray(new IVariable[result.size()]);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.debug.core.model.IValue#hasVariables()
	 */
	public boolean hasVariables() throws DebugException {
		return (value instanceof PropertiesReference);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.debug.core.model.IValue#isAllocated()
	 */
	public boolean isAllocated() throws DebugException {
		return false;
	}

}