/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* 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.apache.qpid.commands;
import org.apache.qpid.commands.objects.QueueObject;
import org.apache.qpid.utils.JMXinfo;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import javax.management.openmbean.TabularData;
import javax.management.openmbean.CompositeData;
import java.util.*;
import java.nio.charset.Charset;
/**
* Created by IntelliJ IDEA.
* User: lahiru
* Date: Aug 10, 2008
* Time: 12:19:16 PM
* To change this template use File | Settings | File Templates.
*/
public class Commandviewcontent extends Command {
private String object;
private String name;
private String vhost;
private int number = 0;
private QueueObject objname;
private MBeanServerConnection mbsc;
private String method1;
private ObjectName queue;
public Commandviewcontent(JMXinfo info, String name) {
super(info, name);
this.mbsc = info.getmbserverconnector();
this.objname = new QueueObject(mbsc);
this.method1 = "viewMessageContent";
}
public void viewcontent() {
Set set = null;
Object temp[] = {null};
objname.setQueryString(this.object, this.name, this.vhost);
set = objname.returnObjects();
String temp_header = "", header = "", message_data = "", encoding = null;
if (objname.getSet().size() != 0) {
Iterator it = set.iterator();
this.queue = (ObjectName) it.next();
try {
if (objname.getmessagecount(this.queue) == 0) {
echo("Selected Queue doesn't contain any messages");
return;
}
if (this.number == 0) {
echo("You haven't selected a MessageId Please use -id and give a message id");
echo("Or run view command with same arguemnts to view messageId list for the queue");
}
// if(objname.getmessagecount(this.queue) < this.number)
// {
// echo("Given number is Greater than the Queue Depth");
// return;
// }
else {
Object[] params = {this.number};
String[] signature = {new String("long")};
CompositeData data = (CompositeData) this.mbsc.invoke(queue, this.method1, params, signature);
List<String> itemNames = new
ArrayList<String>(data.getCompositeType().keySet());
for (int j = 0; j < itemNames.size(); j++) {
temp_header = "";
temp_header = itemNames.get(j);
while (temp_header.length() < 15)
temp_header = " " + temp_header;
header = header + temp_header + "|";
}
echo(header);
encoding = String.valueOf(data.get(itemNames.get(2))); // set the encoding at the beginning because encoding comes later in the loop
if (encoding == null || encoding.length() == 0) {
encoding = Charset.defaultCharset().name();
}
for (int j = 0; j < itemNames.size(); j++) {
temp_header = "";
if (j != 1) {
temp_header = String.valueOf(data.get(itemNames.get(j)));
while (temp_header.length() < 15)
temp_header = " " + temp_header;
} else {
Byte[] arrayItems = (Byte[]) data.get(itemNames.get(j));
byte[] byteArray = new byte[arrayItems.length];
for (int i = 0; i < arrayItems.length; i++) {
byteArray[i] = arrayItems[i];
temp_header = new String(byteArray, encoding);
while (temp_header.length() < 15)
temp_header = " " + temp_header;
}
}
message_data = message_data + temp_header + "|";
}
echo(message_data);
// Object keys[] = data.keySet().toArray();
// CompositeData comdata = data.get(keys);
// for(int i=0;i < keys.length;i++)
// {
// System.out.println(keys[i].toString());
// CompositeData cdata = data.get(temp);
// System.out.println(cdata.toString());
// temp[0] = null;
// }
// TabularType tabular = data.getTabularType();
//// System.out.println(tabular.toString());
// List info = tabular.getIndexNames();
// Iterator it1 = info.iterator();
//
// do{
// String temp1 = (String)it1.next();
// System.out.println(temp1);
// }while(it1.hasNext());
}
} catch (Exception ex) {
echo("Given MessageId is invalid, There's no message with the given messageId");
ex.printStackTrace();
return;
}
} else {
if (isname()) {
echo("The Queue you have specified is not in the current broker");
echo("");
} else {
printusage();
}
}
}
public void execute() {
/* In here you it's easy to handle any number of otpions which are going to add with the list command which works
with main option object or o
*/
if (checkoptionsetting("object") || checkoptionsetting("o")) {
String object = optionchecker("object");
if (object == null) {
object = optionchecker("o");
}
if (object.compareToIgnoreCase("queue") == 0)
setobject(object);
else {
unrecognizeoption();
echo("This command is only applicable for delete command so please start with queue");
}
if (checkoptionsetting("name") || checkoptionsetting("n")) {
String name = optionchecker("name");
if (name == null)
name = optionchecker("n");
setname(name);
}
if (checkoptionsetting("virtualhost") || checkoptionsetting("v")) {
String vhost = optionchecker("virtualhost");
if (vhost == null)
vhost = optionchecker("v");
setvhost(vhost);
}
if (checkoptionsetting("messageid") || checkoptionsetting("id")) {
String number = optionchecker("id");
if (number == null)
number = optionchecker("id");
setnumber(removeSpaces(number));
}
this.viewcontent();
} else if (checkoptionsetting("h") || checkoptionsetting("help"))
printusage();
else
unrecognizeoption();
}
public void printusage() {
echo("");
echo("Usage:viewcontent [OPTION] ... [OBJECT TYPE]...\n");
echo("view the information about given number of messages from the given queue object\n");
echo("To specify the desired queue you have to give the virtualhost name and the queue name with following commands\n");
echo("Where possible options include:\n");
echo(" -v --virtualhost Give the virtuallhost name of the desired queue");
echo(" -n --name Give the queue name of the desired queue you want to view messages");
echo(" -id Give the messageId of the required message you want to view the content");
echo(" -h --help Display the help and back to the qpid-cli prompt\n");
}
private void setobject(String object) {
this.object = object;
}
private void setname(String name) {
this.name = name;
}
private boolean isname() {
if (this.name == null)
return false;
else
return true;
}
public void setvhost(String vhost) {
this.vhost = vhost;
}
public String getvhost() {
return this.vhost;
}
private void setnumber(String number) {
Integer i = new Integer(number);
this.number = i.intValue();
}
private static String removeSpaces(String s) {
StringTokenizer st = new StringTokenizer(s, " ", false);
String t = "";
while (st.hasMoreElements()) t += st.nextElement();
return t;
}
public String getname() {
return this.name;
}
public String getobject() {
return this.object;
}
public int getnumber() {
return this.number;
}
}