| Methods Summary |
|---|
| public org.apache.tomcat.util.modeler.ManagedBean | createManagedBean(org.apache.tomcat.util.modeler.Registry registry, java.lang.String domain, java.lang.Class realClass, java.lang.String type)XXX Find if the 'className' is the name of the MBean or
the real class ( I suppose first )
XXX Read (optional) descriptions from a .properties, generated
from source
XXX Deal with constructors
ManagedBean mbean= new ManagedBean();
Method methods[]=null;
Hashtable attMap=new Hashtable();
// key: attribute val: getter method
Hashtable getAttMap=new Hashtable();
// key: attribute val: setter method
Hashtable setAttMap=new Hashtable();
// key: operation val: invoke method
Hashtable invokeAttMap=new Hashtable();
methods = realClass.getMethods();
initMethods(realClass, methods, attMap, getAttMap, setAttMap, invokeAttMap );
try {
Enumeration en=attMap.keys();
while( en.hasMoreElements() ) {
String name=(String)en.nextElement();
AttributeInfo ai=new AttributeInfo();
ai.setName( name );
Method gm=(Method)getAttMap.get(name);
if( gm!=null ) {
//ai.setGetMethodObj( gm );
ai.setGetMethod( gm.getName());
Class t=gm.getReturnType();
if( t!=null )
ai.setType( t.getName() );
}
Method sm=(Method)setAttMap.get(name);
if( sm!=null ) {
//ai.setSetMethodObj(sm);
Class t=sm.getParameterTypes()[0];
if( t!=null )
ai.setType( t.getName());
ai.setSetMethod( sm.getName());
}
ai.setDescription("Introspected attribute " + name);
if( log.isDebugEnabled()) log.debug("Introspected attribute " +
name + " " + gm + " " + sm);
if( gm==null )
ai.setReadable(false);
if( sm==null )
ai.setWriteable(false);
if( sm!=null || gm!=null )
mbean.addAttribute(ai);
}
en=invokeAttMap.keys();
while( en.hasMoreElements() ) {
String name=(String)en.nextElement();
Method m=(Method)invokeAttMap.get(name);
if( m!=null && name != null ) {
OperationInfo op=new OperationInfo();
op.setName(name);
op.setReturnType(m.getReturnType().getName());
op.setDescription("Introspected operation " + name);
Class parms[]=m.getParameterTypes();
for(int i=0; i<parms.length; i++ ) {
ParameterInfo pi=new ParameterInfo();
pi.setType(parms[i].getName());
pi.setName( "param" + i);
pi.setDescription("Introspected parameter param" + i);
op.addParameter(pi);
}
mbean.addOperation(op);
} else {
log.error("Null arg " + name + " " + m );
}
}
/*Constructor[] constructors = realClass.getConstructors();
for(int i=0;i<constructors.length;i++) {
ConstructorInfo info = new ConstructorInfo();
String className = realClass.getName();
int nIndex = -1;
if((nIndex = className.lastIndexOf('.'))!=-1) {
className = className.substring(nIndex+1);
}
info.setName(className);
info.setDescription(constructors[i].getName());
Class classes[] = constructors[i].getParameterTypes();
for(int j=0;j<classes.length;j++) {
ParameterInfo pi = new ParameterInfo();
pi.setType(classes[j].getName());
pi.setName("param" + j);
pi.setDescription("Introspected parameter param" + j);
info.addParameter(pi);
}
mbean.addConstructor(info);
}
*/
if( log.isDebugEnabled())
log.debug("Setting name: " + type );
mbean.setName( type );
return mbean;
} catch( Exception ex ) {
ex.printStackTrace();
return null;
}
|
| public void | execute()
if( registry==null ) registry=Registry.getRegistry();
try {
ManagedBean managed=createManagedBean(registry, null, (Class)source, type);
if( managed==null ) return;
managed.setName( type );
mbeans.add(managed);
} catch( Exception ex ) {
log.error( "Error reading descriptors ", ex);
}
|
| private void | initMethods(java.lang.Class realClass, java.lang.reflect.Method[] methods, java.util.Hashtable attMap, java.util.Hashtable getAttMap, java.util.Hashtable setAttMap, java.util.Hashtable invokeAttMap)Process the methods and extract 'attributes', methods, etc
for (int j = 0; j < methods.length; ++j) {
String name=methods[j].getName();
if( Modifier.isStatic(methods[j].getModifiers()))
continue;
if( ! Modifier.isPublic( methods[j].getModifiers() ) ) {
if( log.isDebugEnabled())
log.debug("Not public " + methods[j] );
continue;
}
if( methods[j].getDeclaringClass() == Object.class )
continue;
Class params[]=methods[j].getParameterTypes();
if( name.startsWith( "get" ) && params.length==0) {
Class ret=methods[j].getReturnType();
if( ! supportedType( ret ) ) {
if( log.isDebugEnabled() )
log.debug("Unsupported type " + methods[j]);
continue;
}
name=unCapitalize( name.substring(3));
getAttMap.put( name, methods[j] );
// just a marker, we don't use the value
attMap.put( name, methods[j] );
} else if( name.startsWith( "is" ) && params.length==0) {
Class ret=methods[j].getReturnType();
if( Boolean.TYPE != ret ) {
if( log.isDebugEnabled() )
log.debug("Unsupported type " + methods[j] + " " + ret );
continue;
}
name=unCapitalize( name.substring(2));
getAttMap.put( name, methods[j] );
// just a marker, we don't use the value
attMap.put( name, methods[j] );
} else if( name.startsWith( "set" ) && params.length==1) {
if( ! supportedType( params[0] ) ) {
if( log.isDebugEnabled() )
log.debug("Unsupported type " + methods[j] + " " + params[0]);
continue;
}
name=unCapitalize( name.substring(3));
setAttMap.put( name, methods[j] );
attMap.put( name, methods[j] );
} else {
if( params.length == 0 ) {
if( specialMethods.get( methods[j].getName() ) != null )
continue;
invokeAttMap.put( name, methods[j]);
} else {
boolean supported=true;
for( int i=0; i<params.length; i++ ) {
if( ! supportedType( params[i])) {
supported=false;
break;
}
}
if( supported )
invokeAttMap.put( name, methods[j]);
}
}
}
|
| protected boolean | isBeanCompatible(java.lang.Class javaType)Check if this class conforms to JavaBeans specifications.
If the class is conformant, returns true.
// Must be a non-primitive and non array
if (javaType.isArray() || javaType.isPrimitive()) {
return false;
}
// Anything in the java or javax package that
// does not have a defined mapping is excluded.
if (javaType.getName().startsWith("java.") ||
javaType.getName().startsWith("javax.")) {
return false;
}
try {
javaType.getConstructor(new Class[]{});
} catch (java.lang.NoSuchMethodException e) {
return false;
}
// Make sure superclass is compatible
Class superClass = javaType.getSuperclass();
if (superClass != null &&
superClass != java.lang.Object.class &&
superClass != java.lang.Exception.class &&
superClass != java.lang.Throwable.class) {
if (!isBeanCompatible(superClass)) {
return false;
}
}
return true;
|
| public java.util.List | loadDescriptors(org.apache.tomcat.util.modeler.Registry registry, java.lang.String location, java.lang.String type, java.lang.Object source)
setRegistry(registry);
setLocation(location);
setType(type);
setSource(source);
execute();
return mbeans;
|
| public void | setLocation(java.lang.String loc)
this.location=loc;
|
| public void | setRegistry(org.apache.tomcat.util.modeler.Registry reg)
this.registry=reg;
|
| public void | setSource(java.lang.Object source)
this.source=source;
|
| public void | setType(java.lang.String type)Used if a single component is loaded
this.type=type;
|
| private boolean | supportedType(java.lang.Class ret)Check if this class is one of the supported types.
If the class is supported, returns true. Otherwise,
returns false.
for (int i = 0; i < supportedTypes.length; i++) {
if (ret == supportedTypes[i]) {
return true;
}
}
if (isBeanCompatible(ret)) {
return true;
}
return false;
|
| private static java.lang.String | unCapitalize(java.lang.String name)Converts the first character of the given
String into lower-case.
if (name == null || name.length() == 0) {
return name;
}
char chars[] = name.toCharArray();
chars[0] = Character.toLowerCase(chars[0]);
return new String(chars);
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