/*
* Copyright 2008 biaoping.yin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.frameworkset.soa;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.log4j.Logger;
import org.frameworkset.spi.BaseApplicationContext;
import org.frameworkset.spi.DefaultApplicationContext;
import org.frameworkset.spi.assemble.Pro;
/**
* <p>Title: SerialFactory.java</p>
* <p>Description: </p>
* <p>bboss workgroup</p>
* <p>Copyright (c) 2007</p>
* @Date 2014年5月23日 上午11:39:27
* @author biaoping.yin
* @version 1.0
*/
public class SerialFactory {
private static Logger log = Logger.getLogger(SerialFactory.class);
private Map<String,MagicClass> magicclassesByName = new HashMap<String,MagicClass>();
private Map<String,MagicClass> magicclassesByMagicNumber = new HashMap<String,MagicClass>();
/**
* 默认序列化插件
*/
private Map<String,MagicClass> defaultPlugins = new HashMap<String,MagicClass>();
private Map<String,MagicClass> defaultmagicclassesByMagicNumber = new HashMap<String,MagicClass>();
private static String defaultPluginNames[] = new String[]{
"org.frameworkset.soa.plugin.UnmodifiableRandomAccessListPreSerial",
"org.frameworkset.soa.plugin.SublistPreSerial",
"org.frameworkset.soa.plugin.UnmodifiableCollectionPreSerial",
"org.frameworkset.soa.plugin.UnmodifiableListPreSerial",
"org.frameworkset.soa.plugin.UnmodifiableMapPreSerial",
"org.frameworkset.soa.plugin.UnmodifiableSetPreSerial",
"org.frameworkset.soa.plugin.UnmodifiableSortedMapPreSerial",
"org.frameworkset.soa.plugin.UnmodifiableSortedSetPreSerial"
/**
"org.frameworkset.hibernate.serial.PersistentBagSerial",
"org.frameworkset.hibernate.serial.PersistentList",
"org.frameworkset.hibernate.serial.PersistentMap",
"org.frameworkset.hibernate.serial.PersistentSet",
"org.frameworkset.hibernate.serial.PersistentSortedMap",
"org.frameworkset.hibernate.serial.PersistentSortedSet",*/
};
/**
* 在序列化对象的过程中默认忽略的异常清单，碰到异常就忽略并继续进行后续的序列化操作
*/
private String defaultIgnoreExceptionNames[] = new String[]{
"org.hibernate.LazyInitializationException"
};
private String[] ignoreExceptionNames;
private static SerialFactory serialFactory;
public static SerialFactory getSerialFactory()
{
if(serialFactory != null)
return serialFactory;
synchronized(SerialFactory.class)
{
if(serialFactory == null)
{
SerialFactory serialFactory = new SerialFactory();
serialFactory.initDefaultPlugins();
serialFactory.init();
SerialFactory.serialFactory = serialFactory;
}
}
return serialFactory;
}
public static class MagicClass
{
private String magicnumber;
private String magicclass;
private String serial;
private Serial serailObject;
private String preserial;
private PreSerial preserialObject;
public Serial getSerailObject() {
if(serial == null)
return null;
if(serailObject == null)
{
try {
serailObject = (Serial)Class.forName(serial).newInstance();
} catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return serailObject;
}
public String getMagicnumber() {
return magicnumber;
}
public void setMagicnumber(String magicnumber) {
this.magicnumber = magicnumber;
}
public String getMagicclass() {
return magicclass;
}
public void setMagicclass(String magicclass) {
this.magicclass = magicclass;
}
public String getSerial() {
return serial;
}
public void setSerial(String serial) {
this.serial = serial;
}
public String getPreserial() {
return preserial;
}
public PreSerial getPreserialObject() {
if(preserial == null)
return null;
if(this.preserialObject == null)
{
try {
preserialObject = (PreSerial)Class.forName(preserial).newInstance();
} catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return preserialObject;
}
public void setPreserial(String preserial) {
this.preserial = preserial;
}
public void setPreserialObject(PreSerial preserialObject) {
this.preserialObject = preserialObject;
}
}
public SerialFactory() {
// TODO Auto-generated constructor stub
}
public void init()
{
BaseApplicationContext context = DefaultApplicationContext.getApplicationContext("org/frameworkset/soa/serialconf.xml");
Iterator<String> it = context.getPropertyKeys().iterator();
while(it.hasNext())
{
String magicClasss = it.next();
if(!magicClasss.equals("ignoreExceptions"))
{
Pro magic = context.getProBean(magicClasss);
String magicNumber = magic.getStringExtendAttribute("magic");
String serial = magic.getStringExtendAttribute("serial");
String preserial = magic.getStringExtendAttribute("preserial");
MagicClass MagicClass = new MagicClass();
MagicClass.setMagicclass(magicClasss);
MagicClass.setSerial(serial);
MagicClass.setMagicnumber(magicNumber);
MagicClass.setPreserial(preserial);
magicclassesByName.put(magicClasss, MagicClass);
this.magicclassesByMagicNumber.put(magicNumber, MagicClass);
}
else
{
Pro magic = context.getProBean(magicClasss);
String ignoreExceptions = (String)magic.getValue();
if(ignoreExceptions != null && ignoreExceptions.trim().length() > 0)
{
ignoreExceptions= ignoreExceptions.trim();
this.ignoreExceptionNames = ignoreExceptions.split("\n");
for(int i =0 ; i < ignoreExceptionNames.length; i ++)
{
ignoreExceptionNames[i] = ignoreExceptionNames[i].trim();
}
}
}
}
}
private MagicClass buildMagicClass(String preclazz )
{
MagicClass magicClass = null;
// magicClass.setPreserial("org.frameworkset.soa.plugin.UnmodifiableRandomAccessListPreSerial");
try {
PreSerial preSerial = (PreSerial)Class.forName(preclazz).newInstance();
magicClass = new MagicClass();
magicClass.setPreserial(preclazz);
magicClass.setPreserialObject(preSerial);
magicClass.setMagicclass(preSerial.getClazz());
magicClass.setMagicnumber(preSerial.getClazz());
this.defaultmagicclassesByMagicNumber.put(preSerial.getClazz(), magicClass);
this.defaultPlugins.put(preSerial.getClazz(), magicClass);
} catch (InstantiationException e) {
log.debug("buildMagicClass ["+preclazz+"] InstantiationException:"+e.getMessage());
} catch (IllegalAccessException e) {
log.debug("buildMagicClass ["+preclazz+"] IllegalAccessException:"+e.getMessage());
} catch (ClassNotFoundException e) {
log.debug("buildMagicClass ["+preclazz+"] ClassNotFoundException:"+e.getMessage());
}
return magicClass;
}
/**
*
*/
public void initDefaultPlugins()
{
for(String clazz:defaultPluginNames)
{
this.buildMagicClass(clazz);
}
}
public String getMagicNumber(String className)
{
MagicClass magicClass = this.magicclassesByName.get(className);
return magicClass.magicnumber;
}
public MagicClass getMagicClassByMagicNumber(String magicnumber)
{
MagicClass magicClass = this.magicclassesByMagicNumber.get(magicnumber);
if(magicClass == null)
magicClass = this.defaultmagicclassesByMagicNumber.get(magicnumber);
return magicClass;
}
public MagicClass getMagicClass(String magicclassName)
{
MagicClass magicClass = this.magicclassesByName.get(magicclassName);
if(magicClass == null)
magicClass = this.defaultPlugins.get(magicclassName);
return magicClass;
}
public MagicClass getMagicClass(Class magicclass)
{
String magicclassName = magicclass.getName();
return getMagicClass( magicclassName);
}
public boolean isIgnoreException(Throwable e)
{
String name = e.getClass().getName();
for(String iname : defaultIgnoreExceptionNames)
{
if(name.equals(iname))
return true;
}
if(ignoreExceptionNames!= null )
{
for(String iname : ignoreExceptionNames)
{
if(name.equals(iname))
return true;
}
}
return false;
}
}