001 package org.crsh.text.renderers;
002
003 import org.crsh.text.Color;
004 import org.crsh.text.Decoration;
005 import org.crsh.text.LineRenderer;
006 import org.crsh.text.Renderer;
007 import org.crsh.text.ui.LabelElement;
008 import org.crsh.text.ui.Overflow;
009 import org.crsh.text.ui.RowElement;
010 import org.crsh.text.ui.TableElement;
011 import org.crsh.text.ui.TreeElement;
012
013 import javax.management.Descriptor;
014 import javax.management.MBeanAttributeInfo;
015 import javax.management.MBeanInfo;
016 import javax.management.MBeanOperationInfo;
017 import javax.management.MBeanParameterInfo;
018 import java.util.ArrayList;
019 import java.util.Iterator;
020 import java.util.List;
021
022 /**
023 * @author Julien Viet
024 */
025 public class MBeanInfoRenderer extends Renderer<MBeanInfo> {
026
027 @Override
028 public Class<MBeanInfo> getType() {
029 return MBeanInfo.class;
030 }
031
032 @Override
033 public LineRenderer renderer(Iterator<MBeanInfo> stream) {
034
035 List<LineRenderer> renderers = new ArrayList<LineRenderer>();
036
037 while (stream.hasNext()) {
038 MBeanInfo info = stream.next();
039
040 //
041 TreeElement root = new TreeElement(info.getClassName());
042
043 // Descriptor
044 TableElement descriptor = new TableElement().
045 overflow(Overflow.HIDDEN).
046 rightCellPadding(1);
047 Descriptor descriptorInfo = info.getDescriptor();
048 if (descriptorInfo != null) {
049 for (String fieldName : descriptorInfo.getFieldNames()) {
050 String fieldValue = String.valueOf(descriptorInfo.getFieldValue(fieldName));
051 descriptor.row(fieldName, fieldValue);
052 }
053 }
054
055 // Attributes
056 TableElement attributes = new TableElement().
057 overflow(Overflow.HIDDEN).
058 rightCellPadding(1).
059 add(new RowElement().style(Decoration.bold.fg(Color.black).bg(Color.white)).add("NAME", "TYPE", "DESCRIPTION"));
060 for (MBeanAttributeInfo attributeInfo : info.getAttributes()) {
061 attributes.row(attributeInfo.getName(), attributeInfo.getType(), attributeInfo.getDescription());
062 }
063
064 // Operations
065 TreeElement operations = new TreeElement("Operations");
066 for (MBeanOperationInfo operationInfo : info.getOperations()) {
067 TableElement signature = new TableElement().
068 overflow(Overflow.HIDDEN).
069 rightCellPadding(1);
070 MBeanParameterInfo[] parameterInfos = operationInfo.getSignature();
071 for (MBeanParameterInfo parameterInfo : parameterInfos) {
072 signature.row(parameterInfo.getName(), parameterInfo.getType(), parameterInfo.getDescription());
073 }
074 TreeElement operation = new TreeElement(operationInfo.getName());
075 String impact;
076 switch (operationInfo.getImpact()) {
077 case MBeanOperationInfo.ACTION:
078 impact = "ACTION";
079 break;
080 case MBeanOperationInfo.INFO:
081 impact = "INFO";
082 break;
083 case MBeanOperationInfo.ACTION_INFO:
084 impact = "ACTION_INFO";
085 break;
086 default:
087 impact = "UNKNOWN";
088 }
089 operation.addChild(new TableElement().
090 add(
091 new RowElement().add("Type: ", operationInfo.getReturnType()),
092 new RowElement().add("Description: ", operationInfo.getDescription()),
093 new RowElement().add("Impact: ", impact),
094 new RowElement().add(new LabelElement("Signature: "), signature)
095 )
096 );
097
098 operations.addChild(operation);
099 }
100
101 //
102 root.addChild(
103 new TableElement().leftCellPadding(1).overflow(Overflow.HIDDEN).
104 row("ClassName", info.getClassName()).
105 row("Description", info.getDescription()
106 )
107 );
108 root.addChild(new TreeElement("Descriptor").addChild(descriptor));
109 root.addChild(new TreeElement("Attributes").addChild(attributes));
110 root.addChild(operations);
111
112 //
113 renderers.add(root.renderer());
114 }
115
116
117
118
119 return LineRenderer.vertical(renderers);
120 }
121 }