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18 package org.apache.activemq.console.command;
19
20 import org.apache.activemq.console.util.AmqMessagesUtil;
21 import org.apache.activemq.console.formatter.GlobalWriter;
22 import org.apache.activemq.command.ActiveMQQueue;
23 import org.apache.activemq.command.ActiveMQTopic;
24
25 import javax.jms.Destination  ;
26 import java.util.List ;
27 import java.util.ArrayList ;
28 import java.util.Set ;
29 import java.util.HashSet ;
30 import java.util.StringTokenizer ;
31 import java.util.Iterator ;
32
33 public class AmqBrowseCommand extends AbstractAmqCommand {
34 public static final String QUEUE_PREFIX = "queue:";
35 public static final String TOPIC_PREFIX = "topic:";
36
37 public static final String VIEW_GROUP_HEADER = "header:";
38 public static final String VIEW_GROUP_CUSTOM = "custom:";
39 public static final String VIEW_GROUP_BODY = "body:";
40
41 private final List queryAddObjects = new ArrayList (10);
42 private final List querySubObjects = new ArrayList (10);
43 private final Set groupViews = new HashSet (10);
44 private final Set queryViews = new HashSet (10);
45
46
51 protected void runTask(List tokens) throws Exception {
52 try {
53 if (tokens.isEmpty()) {
55 GlobalWriter.printException(new IllegalArgumentException ("No JMS destination specified."));
56 return;
57 }
58
59 if (getBrokerUrl() == null) {
61 GlobalWriter.printException(new IllegalStateException ("No broker url specified. Use the --amqurl option to specify a broker url."));
62 return;
63 }
64
65 for (Iterator i=tokens.iterator(); i.hasNext();) {
67 String destName = (String )i.next();
68 Destination dest;
69
70 if (destName.startsWith(QUEUE_PREFIX)) {
72 dest = new ActiveMQQueue(destName.substring(QUEUE_PREFIX.length()));
73
74 } else if (destName.startsWith(TOPIC_PREFIX)) {
76 dest = new ActiveMQTopic(destName.substring(TOPIC_PREFIX.length()));
77
78 } else {
80 dest = new ActiveMQQueue(destName);
81 }
82
83 List addMsgs = AmqMessagesUtil.getMessages(getBrokerUrl(), dest, queryAddObjects);
85
86 if (querySubObjects.size() > 0) {
88 List subMsgs = AmqMessagesUtil.getMessages(getBrokerUrl(), dest, querySubObjects);
89 addMsgs.removeAll(subMsgs);
90 }
91
92 GlobalWriter.printMessage(AmqMessagesUtil.filterMessagesView(addMsgs, groupViews, queryViews));
94 }
95
96 } catch (Exception e) {
97 GlobalWriter.printException(new RuntimeException ("Failed to execute browse task. Reason: " + e));
98 throw new Exception (e);
99 }
100 }
101
102
108 protected void handleOption(String token, List tokens) throws Exception {
109
110 if (token.startsWith("--msgsel")) {
112
113 if (tokens.isEmpty() || ((String )tokens.get(0)).startsWith("-")) {
115 GlobalWriter.printException(new IllegalArgumentException ("Message selector not specified"));
116 return;
117 }
118
119 StringTokenizer queryTokens = new StringTokenizer ((String )tokens.remove(0), COMMAND_OPTION_DELIMETER);
120 while (queryTokens.hasMoreTokens()) {
121 queryAddObjects.add(queryTokens.nextToken());
122 }
123 }
124
125 else if (token.startsWith("--xmsgsel")) {
127
128 if (tokens.isEmpty() || ((String )tokens.get(0)).startsWith("-")) {
130 GlobalWriter.printException(new IllegalArgumentException ("Message selector not specified"));
131 return;
132 }
133
134 StringTokenizer queryTokens = new StringTokenizer ((String )tokens.remove(0), COMMAND_OPTION_DELIMETER);
135 while (queryTokens.hasMoreTokens()) {
136 querySubObjects.add(queryTokens.nextToken());
137 }
138
139 }
140
141 else if (token.startsWith("--view")) {
143
144 if (tokens.isEmpty() || ((String )tokens.get(0)).startsWith("-")) {
146 GlobalWriter.printException(new IllegalArgumentException ("Attributes to view not specified"));
147 return;
148 }
149
150 StringTokenizer viewTokens = new StringTokenizer ((String )tokens.remove(0), COMMAND_OPTION_DELIMETER);
152 while (viewTokens.hasMoreTokens()) {
153 String viewToken = viewTokens.nextToken();
154
155 if (viewToken.equals(VIEW_GROUP_HEADER)) {
157 queryViews.add(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + viewToken.substring(VIEW_GROUP_HEADER.length()));
158
159 } else if (viewToken.equals(VIEW_GROUP_CUSTOM)) {
161 queryViews.add(AmqMessagesUtil.JMS_MESSAGE_CUSTOM_PREFIX + viewToken.substring(VIEW_GROUP_CUSTOM.length()));
162
163 } else if (viewToken.equals(VIEW_GROUP_BODY)) {
165 queryViews.add(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + viewToken.substring(VIEW_GROUP_BODY.length()));
166
167 } else {
169 queryViews.add(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + viewToken);
170 queryViews.add(AmqMessagesUtil.JMS_MESSAGE_CUSTOM_PREFIX + viewToken);
171 queryViews.add(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + viewToken);
172 }
173 }
174 }
175
176 else if (token.startsWith("-V")) {
178 String viewGroup = token.substring(2);
179 if (viewGroup.equals("header")) {
181 groupViews.add(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX);
182
183 } else if (viewGroup.equals("custom")) {
185 groupViews.add(AmqMessagesUtil.JMS_MESSAGE_CUSTOM_PREFIX);
186
187 } else if (viewGroup.equals("body")) {
189 groupViews.add(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX);
190
191 } else {
193 GlobalWriter.printInfo("Unknown group view: " + viewGroup + ". Ignoring group view option.");
194 }
195 }
196
197 else {
199 super.handleOption(token, tokens);
200 }
201 }
202
203
206 protected void printHelp() {
207 GlobalWriter.printHelp(helpFile);
208 }
209
210 protected String [] helpFile = new String [] {
211 "Task Usage: Main browse --amqurl <broker url> [browse-options] <destinations>",
212 "Description: Display selected destination's messages.",
213 "",
214 "Browse Options:",
215 " --amqurl <url> Set the broker URL to connect to.",
216 " --msgsel <msgsel1,msglsel2> Add to the search list messages matched by the query similar to",
217 " the messages selector format.",
218 " -V<header|custom|body> Predefined view that allows you to view the message header, custom",
219 " message header, or the message body.",
220 " --view <attr1>,<attr2>,... Select the specific attribute of the message to view.",
221 " --version Display the version information.",
222 " -h,-?,--help Display the browse broker help information.",
223 "",
224 "Examples:",
225 " Main browse --amqurl tcp://localhost:61616 FOO.BAR",
226 " - Print the message header, custom message header, and message body of all messages in the",
227 " queue FOO.BAR",
228 "",
229 " Main browse --amqurl tcp://localhost:61616 -Vheader,body queue:FOO.BAR",
230 " - Print only the message header and message body of all messages in the queue FOO.BAR",
231 "",
232 " Main browse --amqurl tcp://localhost:61616 -Vheader --view custom:MyField queue:FOO.BAR",
233 " - Print the message header and the custom field 'MyField' of all messages in the queue FOO.BAR",
234 "",
235 " Main browse --amqurl tcp://localhost:61616 --msgsel JMSMessageID='*:10',JMSPriority>5 FOO.BAR",
236 " - Print all the message fields that has a JMSMessageID in the header field that matches the",
237 " wildcard *:10, and has a JMSPriority field > 5 in the queue FOO.BAR",
238 " * To use wildcard queries, the field must be a string and the query enclosed in ''",
239 "",
240 };
241 }
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