Christian Dupuis
12 years ago
4 changed files with 19 additions and 182 deletions
@ -1,58 +0,0 @@
@@ -1,58 +0,0 @@
|
||||
package crash.commands.base; |
||||
|
||||
import org.crsh.cli.Command; |
||||
import org.crsh.cli.Usage; |
||||
import org.crsh.command.BaseCommand; |
||||
import org.crsh.command.DescriptionFormat; |
||||
import org.crsh.command.InvocationContext; |
||||
import org.crsh.command.ShellCommand; |
||||
import org.crsh.shell.impl.command.CRaSH; |
||||
import org.crsh.text.Color; |
||||
import org.crsh.text.Decoration; |
||||
import org.crsh.text.Style; |
||||
import org.crsh.text.ui.LabelElement; |
||||
import org.crsh.text.ui.RowElement; |
||||
import org.crsh.text.ui.TableElement; |
||||
|
||||
import java.io.IOException; |
||||
|
||||
/** @author Julien Viet */ |
||||
public class help extends BaseCommand { |
||||
|
||||
@Usage("provides basic help") |
||||
@Command |
||||
public void main(InvocationContext<Object> context) throws IOException { |
||||
|
||||
// |
||||
TableElement table = new TableElement().rightCellPadding(1); |
||||
table.add( |
||||
new RowElement(). |
||||
add(new LabelElement("NAME").style(Style.style(Decoration.bold))). |
||||
add(new LabelElement("DESCRIPTION"))); |
||||
|
||||
// |
||||
CRaSH crash = (CRaSH)context.getSession().get("crash"); |
||||
Iterable<String> names = crash.getCommandNames(); |
||||
for (String name : names) { |
||||
try { |
||||
ShellCommand cmd = crash.getCommand(name); |
||||
if (cmd != null) { |
||||
String desc = cmd.describe(name, DescriptionFormat.DESCRIBE); |
||||
if (desc == null) { |
||||
desc = ""; |
||||
} |
||||
table.add( |
||||
new RowElement(). |
||||
add(new LabelElement(name).style(Style.style(Color.red))). |
||||
add(new LabelElement(desc))); |
||||
} |
||||
} catch (Exception ignore) { |
||||
// |
||||
} |
||||
} |
||||
|
||||
// |
||||
context.provide(new LabelElement("Try one of these commands with the -h or --help switch:\n")); |
||||
context.provide(table); |
||||
} |
||||
} |
||||
@ -1,123 +0,0 @@
@@ -1,123 +0,0 @@
|
||||
package crash.commands.base; |
||||
|
||||
import org.crsh.cli.Argument; |
||||
import org.crsh.cli.Command; |
||||
import org.crsh.cli.Option; |
||||
import org.crsh.cli.Usage; |
||||
import org.crsh.command.BaseCommand; |
||||
import org.crsh.command.InvocationContext; |
||||
import org.crsh.command.PipeCommand; |
||||
import org.crsh.command.ScriptException; |
||||
|
||||
import javax.management.JMException; |
||||
import javax.management.MBeanAttributeInfo; |
||||
import javax.management.MBeanInfo; |
||||
import javax.management.MBeanServer; |
||||
import javax.management.ObjectInstance; |
||||
import javax.management.ObjectName; |
||||
import java.io.IOException; |
||||
import java.lang.management.ManagementFactory; |
||||
import java.util.HashMap; |
||||
import java.util.List; |
||||
import java.util.Map; |
||||
import java.util.Set; |
||||
|
||||
/** @author Julien Viet */ |
||||
@Usage("Java Management Extensions") |
||||
public class jmx extends BaseCommand { |
||||
|
||||
@Usage("find mbeans") |
||||
@Command |
||||
public void find( |
||||
InvocationContext<ObjectName> context, |
||||
@Usage("The object name pattern") |
||||
@Option(names=["p", "pattern"]) |
||||
String pattern) throws Exception { |
||||
|
||||
// |
||||
ObjectName patternName = pattern != null ? ObjectName.getInstance(pattern) : null; |
||||
MBeanServer server = ManagementFactory.getPlatformMBeanServer(); |
||||
Set<ObjectInstance> instances = server.queryMBeans(patternName, null); |
||||
for (ObjectInstance instance : instances) { |
||||
context.provide(instance.getObjectName()); |
||||
} |
||||
/* |
||||
if (context.piped) { |
||||
} else { |
||||
UIBuilder ui = new UIBuilder() |
||||
ui.table(columns: [1,3]) { |
||||
row(bold: true, fg: black, bg: white) { |
||||
label("CLASS NAME"); label("OBJECT NAME") |
||||
} |
||||
instances.each { instance -> |
||||
row() { |
||||
label(foreground: red, instance.getClassName()); label(instance.objectName) |
||||
} |
||||
} |
||||
} |
||||
out << ui; |
||||
} |
||||
*/ |
||||
} |
||||
|
||||
@Command |
||||
@Usage("return the attributes info of an MBean") |
||||
public void attributes(InvocationContext<Map> context, @Argument ObjectName name) throws IOException { |
||||
MBeanServer server = ManagementFactory.getPlatformMBeanServer(); |
||||
try { |
||||
MBeanInfo info = server.getMBeanInfo(name); |
||||
for (MBeanAttributeInfo attributeInfo : info.getAttributes()) { |
||||
HashMap<String, Object> tuple = new HashMap<String, Object>(); |
||||
tuple.put("name", attributeInfo.getName()); |
||||
tuple.put("type", attributeInfo.getType()); |
||||
tuple.put("description", attributeInfo.getDescription()); |
||||
context.provide(tuple); |
||||
} |
||||
} |
||||
catch (JMException e) { |
||||
throw new ScriptException("Could not access MBean meta data", e); |
||||
} |
||||
} |
||||
|
||||
@Usage("get attributes of an MBean") |
||||
@Command |
||||
public PipeCommand<ObjectName, Map> get(@Argument final List<String> attributes) { |
||||
|
||||
// Determine common attributes from all names |
||||
if (attributes == null || attributes.isEmpty()) { |
||||
throw new ScriptException("Must provide JMX attributes"); |
||||
} |
||||
|
||||
// |
||||
return new PipeCommand<ObjectName, Map>() { |
||||
|
||||
/** . */ |
||||
private MBeanServer server; |
||||
|
||||
@Override |
||||
public void open() throws ScriptException { |
||||
server = ManagementFactory.getPlatformMBeanServer(); |
||||
} |
||||
|
||||
@Override |
||||
public void provide(ObjectName name) throws IOException { |
||||
try { |
||||
HashMap<String, Object> tuple = new HashMap<String, Object>(); |
||||
for (String attribute : attributes) { |
||||
String prop = name.getKeyProperty(attribute); |
||||
if (prop != null) { |
||||
tuple.put(attribute, prop); |
||||
} |
||||
else { |
||||
tuple.put(attribute, server.getAttribute(name, attribute)); |
||||
} |
||||
} |
||||
context.provide(tuple); |
||||
} |
||||
catch (JMException ignore) { |
||||
// |
||||
} |
||||
} |
||||
}; |
||||
} |
||||
} |
||||
Loading…
Reference in new issue