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16 package org.jmanage.cmdui.commands;
17
18 import org.jmanage.cmdui.CommandHandler;
19 import org.jmanage.cmdui.CommandConstants;
20 import org.jmanage.cmdui.HandlerContext;
21 import org.jmanage.cmdui.util.Out;
22 import org.jmanage.core.services.MBeanService;
23 import org.jmanage.core.services.ServiceFactory;
24 import org.jmanage.core.management.ObjectAttribute;
25 import org.jmanage.core.data.AttributeListData;
26 import org.jmanage.core.util.Expression;
27 import org.jmanage.util.StringUtils;
28
29 import java.util.*;
30
31
36 public class PrintHandler implements CommandHandler {
37
38
43 public boolean execute(HandlerContext context) {
44
45 String  [] args = context.getCommand().getArgs();
46 if(args.length == 0){
47 usage();
48 return false;
49 }
50
51
53 final Map appMBeanToAttributesMap = new HashMap();
54
55 Expression expression = null;
56 for(int i=0; i<args.length; i++){
57 expression = new Expression(args[i], expression);
58 if(expression.getAppName() == null ||
59 expression.getMBeanName() == null ||
60 expression.getTargetName() == null){
61 usage();
62 return false;
63 }
64 AppMBeanKey key = new AppMBeanKey(expression.getAppName(),
65 expression.getMBeanName());
66 List attributes = (List)appMBeanToAttributesMap.get(key);
67 if(attributes == null){
68 attributes = new LinkedList();
69 appMBeanToAttributesMap.put(key, attributes);
70 }
71 attributes.add(expression.getTargetName());
72 }
73
74
75 MBeanService service = ServiceFactory.getMBeanService();
76 for(Iterator it=appMBeanToAttributesMap.keySet().iterator(); it.hasNext();){
77 AppMBeanKey key = (AppMBeanKey)it.next();
78 List attributes = (List)appMBeanToAttributesMap.get(key);
79 AttributeListData[] attributeValues =
80 service.getAttributes(
81 context.getServiceContext(key.appName, key.mbeanName),
82 StringUtils.listToStringArray(attributes),
83 false);
84 print(attributeValues);
85 }
86 Out.println();
87
88 return true;
89 }
90
91 public String getShortHelp() {
92 return "Prints tab delimited value(s) for given mbean attribute(s).";
93 }
94
95 public void help() {
96 Out.println(getShortHelp());
97 Out.println("Usage:");
98 Out.println(CommandConstants.PRINT +
99 " <application name>/<mbean name>/<attribute1> [attribute2] ...");
100 Out.println();
101 Out.println("Examples:");
102 Out.println(CommandConstants.PRINT +
103 " myApp/myMBean/testAttr1 testAttr2");
104 Out.println(CommandConstants.PRINT +
105 " myApp/jmanage:name=TestMBean/testAttr1 jmanage:name=Configuration/testAttr");
106 }
107
108 private void print(AttributeListData[] attrValues){
109 assert attrValues.length == 1;
110 for(Iterator it=attrValues[0].getAttributeList().iterator(); it.hasNext(); ){
111 ObjectAttribute attribute= (ObjectAttribute)it.next();
112 Out.print(attribute.getDisplayValue() + "\t");
113 }
114 }
115
116 private void usage(){
117 Out.println("Invalid arguments");
118 help();
119 }
120
121 private class AppMBeanKey{
122 String appName;
123 String mbeanName;
124
125 AppMBeanKey(String appName, String mbeanName){
126 this.appName = appName;
127 this.mbeanName = mbeanName;
128 }
129
130 public int hashCode(){
131 return (appName.hashCode() * 31) + mbeanName.hashCode();
132 }
133
134 public boolean equals(Object obj){
135 if(obj instanceof AppMBeanKey){
136 AppMBeanKey key = (AppMBeanKey)obj;
137 return key.appName.equals(this.appName) &&
138 key.mbeanName.equals(this.mbeanName);
139 }
140 return false;
141 }
142 }
143 }
144 |
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