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/*******************************************************************************
* Copyright (c) 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.jsdt.debug.internal.chrome.transport;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.wst.jsdt.debug.transport.packet.Event;
/**
* Event packet
*
* @since 1.0
*/
public class EventPacketImpl extends PacketImpl implements Event {
/**
* The type of this packet
*/
public static final String EVENT = "event"; //$NON-NLS-1$
private String event = null;
protected Number result = null;
protected Map body = null;
/**
* Constructor
*
* @param event
* @param tool the name of the tools service that issued this event
*/
public EventPacketImpl(String event, String tool) {
super(EVENT, tool);
if(event == null) {
throw new IllegalArgumentException(Messages.cannot_create_packet_with_no_event);
}
this.event = event;
}
/**
* Constructor
*
* @param json
*/
public EventPacketImpl(Map json) {
super(json);
this.event = (String) json.get(EVENT);
if(event == null) {
throw new IllegalArgumentException(Messages.no_event_found_in_json);
}
this.result = (Number) json.get(Attributes.RESULT);
Object data = json.get(Attributes.DATA);
if(data != null) {
this.body = new HashMap();
this.body.put(Attributes.DATA, data);
}
}
/* (non-Javadoc)
* @see org.eclipse.wst.jsdt.debug.transport.packet.Event#getEvent()
*/
public String getEvent() {
return event;
}
/* (non-Javadoc)
* @see org.eclipse.wst.jsdt.debug.transport.packet.Event#getBody()
*/
public Map getBody() {
if(this.body == null) {
return Collections.EMPTY_MAP;
}
return this.body;
}
/* (non-Javadoc)
* @see org.eclipse.wst.jsdt.debug.internal.chrome.transport.PacketImpl#toJSON()
*/
public Map toJSON() {
Map json = super.toJSON();
json.put(Attributes.COMMAND, event);
json.put(Attributes.RESULT, this.result);
if(this.body != null) {
json.put(Attributes.DATA, this.body.get(Attributes.DATA));
}
return json;
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer buffer = new StringBuffer();
Object json = toJSON();
buffer.append("EventPacketImpl: "); //$NON-NLS-1$
JSON.writeValue(json, buffer);
return buffer.toString();
}
}
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