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lihan pushed a commit to branch 10.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/10.0.x by this push:
new 4fc7a891c8 Refactor MbeansDescriptorsIntrospectionSource. Simplify
code.
4fc7a891c8 is described below
commit 4fc7a891c8f4efe18d60c6726cfc4a97db088a35
Author: lihan <li...@apache.org>
AuthorDate: Sat Oct 8 16:39:52 2022 +0800
Refactor MbeansDescriptorsIntrospectionSource. Simplify code.
---
.../MbeansDescriptorsIntrospectionSource.java | 76 ++++++++++------------
1 file changed, 35 insertions(+), 41 deletions(-)
diff --git
a/java/org/apache/tomcat/util/modeler/modules/MbeansDescriptorsIntrospectionSource.java
b/java/org/apache/tomcat/util/modeler/modules/MbeansDescriptorsIntrospectionSource.java
index ffb0937066..0bd28eb6a6 100644
---
a/java/org/apache/tomcat/util/modeler/modules/MbeansDescriptorsIntrospectionSource.java
+++
b/java/org/apache/tomcat/util/modeler/modules/MbeansDescriptorsIntrospectionSource.java
@@ -22,7 +22,9 @@ import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.HashMap;
+import java.util.HashSet;
import java.util.List;
+import java.util.Set;
import java.util.Map;
import java.util.Map.Entry;
@@ -188,16 +190,16 @@ public class MbeansDescriptorsIntrospectionSource extends
ModelerSource
* Process the methods and extract 'attributes', methods, etc.
*
* @param realClass The class to process
- * @param methods The methods to process
- * @param attMap The attribute map (complete)
+ * @param attNames The attribute name (complete)
* @param getAttMap The readable attributes map
* @param setAttMap The settable attributes map
* @param invokeAttMap The invokable attributes map
*/
- private void initMethods(Class<?> realClass, Method methods[],
Map<String,Method> attMap,
+ private void initMethods(Class<?> realClass, Set<String> attNames,
Map<String,Method> getAttMap, Map<String,Method> setAttMap,
Map<String,Method> invokeAttMap) {
+ Method[] methods = realClass.getMethods();
for (Method method : methods) {
String name = method.getName();
@@ -213,7 +215,7 @@ public class MbeansDescriptorsIntrospectionSource extends
ModelerSource
if (method.getDeclaringClass() == Object.class) {
continue;
}
- Class<?> params[] = method.getParameterTypes();
+ Class<?>[] params = method.getParameterTypes();
if (name.startsWith("get") && params.length == 0) {
Class<?> ret = method.getReturnType();
@@ -226,8 +228,7 @@ public class MbeansDescriptorsIntrospectionSource extends
ModelerSource
name = unCapitalize(name.substring(3));
getAttMap.put(name, method);
- // just a marker, we don't use the value
- attMap.put(name, method);
+ attNames.add(name);
} else if (name.startsWith("is") && params.length == 0) {
Class<?> ret = method.getReturnType();
if (Boolean.TYPE != ret) {
@@ -239,8 +240,7 @@ public class MbeansDescriptorsIntrospectionSource extends
ModelerSource
name = unCapitalize(name.substring(2));
getAttMap.put(name, method);
- // just a marker, we don't use the value
- attMap.put(name, method);
+ attNames.add(name);
} else if (name.startsWith("set") && params.length == 1) {
if (!supportedType(params[0])) {
@@ -251,7 +251,7 @@ public class MbeansDescriptorsIntrospectionSource extends
ModelerSource
}
name = unCapitalize(name.substring(3));
setAttMap.put(name, method);
- attMap.put(name, method);
+ attNames.add(name);
} else {
if (params.length == 0) {
if (specialMethods.get(method.getName()) != null) {
@@ -290,25 +290,21 @@ public class MbeansDescriptorsIntrospectionSource extends
ModelerSource
public ManagedBean createManagedBean(Registry registry, String domain,
Class<?> realClass, String type)
{
- ManagedBean mbean= new ManagedBean();
+ ManagedBean mbean = new ManagedBean();
- Method methods[]=null;
- Map<String,Method> attMap = new HashMap<>();
+ Set<String> attrNames = new HashSet<>();
// key: attribute val: getter method
- Map<String,Method> getAttMap = new HashMap<>();
+ Map<String, Method> getAttMap = new HashMap<>();
// key: attribute val: setter method
- Map<String,Method> setAttMap = new HashMap<>();
+ Map<String, Method> setAttMap = new HashMap<>();
// key: operation val: invoke method
- Map<String,Method> invokeAttMap = new HashMap<>();
+ Map<String, Method> invokeAttMap = new HashMap<>();
- methods = realClass.getMethods();
-
- initMethods(realClass, methods, attMap, getAttMap, setAttMap,
invokeAttMap );
+ initMethods(realClass, attrNames, getAttMap, setAttMap, invokeAttMap);
try {
- for (Entry<String,Method> attEntry : attMap.entrySet()) {
- String name = attEntry.getKey();
+ for (String name : attrNames) {
AttributeInfo ai = new AttributeInfo();
ai.setName(name);
Method gm = getAttMap.get(name);
@@ -320,26 +316,24 @@ public class MbeansDescriptorsIntrospectionSource extends
ModelerSource
}
}
Method sm = setAttMap.get(name);
- if( sm!=null ) {
- //ai.setSetMethodObj(sm);
+ if (sm != null) {
Class<?> t = sm.getParameterTypes()[0];
- if( t!=null ) {
- ai.setType( t.getName());
+ if (t != null) {
+ ai.setType(t.getName());
}
- ai.setSetMethod( sm.getName());
+ ai.setSetMethod(sm.getName());
}
ai.setDescription("Introspected attribute " + name);
- if( log.isDebugEnabled()) {
- log.debug("Introspected attribute " +
- name + " " + gm + " " + sm);
+ if (log.isDebugEnabled()) {
+ log.debug("Introspected attribute " + name + " " + gm + "
" + sm);
}
- if( gm==null ) {
+ if (gm == null) {
ai.setReadable(false);
}
- if( sm==null ) {
+ if (sm == null) {
ai.setWriteable(false);
}
- if( sm!=null || gm!=null ) {
+ if (sm != null || gm != null) {
mbean.addAttribute(ai);
}
}
@@ -347,18 +341,18 @@ public class MbeansDescriptorsIntrospectionSource extends
ModelerSource
// This map is populated by iterating the methods (which end up as
// values in the Map) and obtaining the key from the value. It is
// impossible for a key to be associated with a null value.
- for (Entry<String,Method> entry : invokeAttMap.entrySet()) {
+ for (Entry<String, Method> entry : invokeAttMap.entrySet()) {
String name = entry.getKey();
Method m = entry.getValue();
- OperationInfo op=new OperationInfo();
+ 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());
+ Class<?>[] params = m.getParameterTypes();
+ for (int i = 0; i < params.length; i++) {
+ ParameterInfo pi = new ParameterInfo();
+ pi.setType(params[i].getName());
pi.setName(("param" + i).intern());
pi.setDescription(("Introspected parameter param" +
i).intern());
op.addParameter(pi);
@@ -366,13 +360,13 @@ public class MbeansDescriptorsIntrospectionSource extends
ModelerSource
mbean.addOperation(op);
}
- if( log.isDebugEnabled()) {
- log.debug("Setting name: " + type );
+ if (log.isDebugEnabled()) {
+ log.debug("Setting name: " + type);
}
- mbean.setName( type );
+ mbean.setName(type);
return mbean;
- } catch( Exception ex ) {
+ } catch (Exception ex) {
ex.printStackTrace();
return null;
}
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