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package com.sun.enterprise.deployment.backend;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Properties;
import java.util.Map;
import java.util.HashMap;
import java.io.PrintWriter;
import java.io.ByteArrayOutputStream;
import com.sun.appserv.management.base.MapCapable;
/**
* This class encapsulates all status related to backend deployment
* Backend deployement can consist of several stages. Those stages
* are organized in a parent/children relationship where the children
* are the sub stages of a parent stage. For instance, deployment stage
* consist of j2eec stage and application loading stage. For a stage to
* be sucessful, its status and all its children's status must be warning
* or success
*
* @author Jerome Dochez
*
*/
public class DeploymentStatus implements java.io.Serializable, MapCapable {
// declare SUID for class versioning compatibility
// generated using pe build fcs-b50
// this value should stay the same for all
// 8.x releases
static final long serialVersionUID = -6130876961172599515L;
/**
* Possible status for a stage or overall deployment status
*/
public static final int FAILURE = 0;
public static final int WARNING = 1;
public static final int SUCCESS=2;
public static final int NOTINITIALIZED = 3;
/*
* Possible properties for the additional status
*/
public static final String CONTEXT_ROOT = "ContextRoot";
public static final String KEY_SEPARATOR = "_";
public static final String MODULE_ID = "moduleid";
public static final String MODULE_TYPE = "ModuleType";
public static final String SUBMODULE_COUNT = "NumberOfSubModules";
public static final String WSDL_PUBLISH_URL = "ClientPublishURL";
public static final String WSDL_LOCATION = "WsdlFileLocation";
public static final String WSDL_DIRECTORY = "WsdlDirectory";
public static final String WSDL_FILE_ENTRIES = "WsdlFileEntries";
public static final String COUNT = "NumberOfEntries";
/**
* instance information :
* - information about this stage
* - information about sub stages
*/
private String stageDescription;
private int stageStatus = NOTINITIALIZED;
private String stageStatusMessage = "";
private Throwable stageException;
private List subStages = new ArrayList();
private DeploymentStatus parent = null;
/**
* backend deployment can transfer some information back to the
* client process through these properties.
*/
private Map additionalStatus = new Properties();
// this field is still kept for backward compatibility reason
private Properties props=null;
/**
* Creates a new uninitialized DeploymentStatus instance
*/
public DeploymentStatus() {
}
/**
* Creates a new uninitialized DeploymentStatus instance as a
* sub stage deployment status of the passed DeploymentStatus
* @param parent DeploymentStatus
*/
public DeploymentStatus(DeploymentStatus parent) {
if (parent==null) {
throw new IllegalArgumentException("parent deployment status cannot be null");
}
parent.addSubStage(this);
}
/**
* @return the combined status for the stage and its children,
* it will return the lowest status as defined in the constants
*/
public int getStatus() {
int currentStatus = stageStatus;
// iterate over all sub stages to get their status
for (Iterator stageItr = subStages.iterator();stageItr.hasNext();) {
DeploymentStatus subStage = (DeploymentStatus) stageItr.next();
int subStageStatus= subStage.getStatus();
// if the sub stage status is a lower number than our current, something
// went horribly wrong in the substage, update ours
if (subStageStatus<currentStatus) {
currentStatus = subStageStatus;
}
}
return currentStatus;
}
/**
* Add a sub stage to this deployment status
* @param the sub stage deployment status
*/
public void addSubStage(DeploymentStatus subStage) {
subStages.add(subStage);
subStage.setParent(this);
}
/**
* Get the list of sub stages for this deployment status
* @return an Iterator for the sub stages
*/
public Iterator getSubStages() {
return subStages.iterator();
}
/**
* Set the status for this stage
* @param the status as defined in the constants
*/
public void setStageStatus(int status) {
stageStatus = status;
}
/**
* @return the status for this stage (ignoring sub stages status)
*/
public int getStageStatus() {
return stageStatus;
}
/**
* @return the exception if an exception was thrown during
* the execution of the stage
*/
public Throwable getStageException() {
return stageException;
}
/**
* @return a meaningful i18ned stage description
*/
public String getStageIdentifier() {
return stageDescription;
}
/**
* @return a meaningful i18ned stage description
*/
public String getStageDescription() {
return stageDescription;
}
/**
* @return a meaningful i18ned reason for failure or warning
*/
public String getStageStatusMessage() {
return stageStatusMessage;
}
/**
* When the stage throws an exception, it should store it here in
* the assiciated deployment status
* @param throwable
*/
public void setStageException(Throwable throwable) {
stageException = new Throwable(throwable.getMessage());
stageException.setStackTrace(throwable.getStackTrace());
}
/**
* @param string for a meaningful i18ned stage description
*/
public void setStageDescription(String string) {
stageDescription = string;
}
/**
* @param string for a meaningful i18ned reason for stage
* warning or failure
*/
public void setStageStatusMessage(String string) {
stageStatusMessage = string;
}
/**
* @return the current deployment status or one of the sub stage
* deployment status with a status equal to the provided level.
*/
public DeploymentStatus getStageStatusForLevel(int level) {
if (stageStatus == level) {
return this;
} else {
for (Iterator itr = subStages.iterator();itr.hasNext();) {
DeploymentStatus subStage = (DeploymentStatus) itr.next();
if (subStage.getStatus()==level) {
return subStage;
}
}
}
return null;
}
/**
* @return the parent status for this status if any
*/
public DeploymentStatus getParent() {
return parent;
}
/**
* Setthe parent status for this status
*/
public void setParent(DeploymentStatus parent) {
this.parent = parent;
}
/**
* @return the main status for this deployment operation, which is
* the parent of all status in this hierarchy
*/
public DeploymentStatus getMainStatus() {
if (parent!=null) {
return parent.getMainStatus();
}
return this;
}
/**
* Add a new property to this status object
*/
public void addProperty(String propertyName, String propertyValue) {
additionalStatus.put(propertyName, propertyValue);
// the name-value pair is also stored in props
// for backward compatibility
if (props==null) {
props = new Properties();
}
props.put(propertyName, propertyValue);
}
/**
* @return the value of for property name
*/
public String getProperty(String propertyName) {
if (additionalStatus.get(propertyName) != null) {
return (String)additionalStatus.get(propertyName);
} else {
// we also try to retrieve from props
// for backward compatibility
if (props==null) {
return null;
}
return props.getProperty(propertyName);
}
}
/**
* @return the additional status map
*/
public Map getAdditionalStatus() {
return additionalStatus;
}
/**
* Set the additional status for this status
*/
public void setAdditionalStatus(Map additionalStatus) {
this.additionalStatus = additionalStatus;
}
/**
* @return a meaningful string about mysefl
*/
public String toString() {
return "Status " + stageStatus + " message " + stageStatusMessage
+ " \nException " + stageException;
}
/**
* Get all stages with this deployment status level
* @param parent status it needs to iterate through
* @param status level it's looking for
* @return an iterator for the stages with the level
*/
public static Iterator getAllStageStatusForLevel(
DeploymentStatus status,
int level) {
List stages = new ArrayList();
if (status.getStageStatus() == level) {
stages.add(status);
}
// need to iterate through the rest of status hierarchy
for (Iterator itr = status.getSubStages();itr.hasNext();) {
DeploymentStatus subStage = (DeploymentStatus) itr.next();
if (subStage.getStageStatus() == level) {
stages.add(subStage);
}
for (Iterator itr2 = subStage.getSubStages();itr2.hasNext();) {
DeploymentStatus subStage2 = (DeploymentStatus) itr2.next();
if (subStage2.getStageStatus() == level) {
stages.add(subStage2);
}
for (Iterator itr3 = subStage2.getSubStages();
itr3.hasNext();) {
DeploymentStatus subStage3 =
(DeploymentStatus) itr3.next();
if (subStage3.getStageStatus() == level) {
stages.add(subStage3);
}
}
}
}
return stages.iterator();
}
/**
* Implement the MapCapable interface so DeploymentStatus
* can be converted back and forth with CompositeData
*/
public Map asMap() {
HashMap m = new HashMap();
m.put(MapCapable.MAP_CAPABLE_CLASS_NAME_KEY, com.sun.appserv.management.deploy.DeploymentStatus.DEPLOYMENT_STATUS_CLASS_NAME );
m.put(com.sun.appserv.management.deploy.DeploymentStatus.STAGE_STATUS_KEY, new Integer(stageStatus));
m.put(com.sun.appserv.management.deploy.DeploymentStatus.STAGE_STATUS_MESSAGE_KEY, stageStatusMessage);
m.put(com.sun.appserv.management.deploy.DeploymentStatus.STAGE_DESCRIPTION_KEY, stageDescription);
m.put(com.sun.appserv.management.deploy.DeploymentStatus.SUB_STAGES_KEY, subStagesToMapList());
m.put(com.sun.appserv.management.deploy.DeploymentStatus.STAGE_THROWABLE_KEY, stageException);
m.put(com.sun.appserv.management.deploy.DeploymentStatus.ADDITIONAL_STATUS_KEY, additionalStatus);
return( m );
}
/**
* DeploymentStatus class may not be available on the client side.
*
* Converts the list of DeploymentStatus objects to list of Maps.
* Iterates through the substages list and calls asMap().
*/
List subStagesToMapList() {
final List l = new ArrayList(subStages.size());
final Iterator it = subStages.iterator();
while (it.hasNext()) {
final MapCapable mc = (MapCapable)it.next();
l.add(mc.asMap());
}
return l;
}
/**
Return the interface that this Map represents
(the Java classname).
*/
public String getMapClassName() {
return com.sun.appserv.management.deploy.DeploymentStatus.DEPLOYMENT_STATUS_CLASS_NAME;
}
/**
* Traverse through the DeploymenStatus hierarchy and
* write failure/warning msgs to the print writer
*/
public static void parseDeploymentStatus(DeploymentStatus status,
PrintWriter pw) {
if (status != null) {
// if it's falure case, print all exceptions
if (status.getStatus() == DeploymentStatus.FAILURE) {
for (Iterator itr = getAllStageStatusForLevel(status, DeploymentStatus.FAILURE); itr.hasNext();) {
DeploymentStatus stage = (DeploymentStatus) itr.next();
printFailure(pw, stage);
}
}
// if it's warning case, print all warnings
else if (status.getStatus() == DeploymentStatus.WARNING) {
for (Iterator itr = getAllStageStatusForLevel(status, DeploymentStatus.WARNING); itr.hasNext();) {
DeploymentStatus stage = (DeploymentStatus) itr.next();
String msg = stage.getStageStatusMessage();
if (msg != null) {
pw.println(msg);
}
}
}
pw.flush();
}
}
/**
* Prints the status string and/or status exception
* @param pw PrintWriter to which info is printed.
* @param status DeploymentStatus
* @param t Throwable to print
*/
private static void printFailure(PrintWriter pw,
DeploymentStatus status) {
String msg = status.getStageStatusMessage();
Throwable t = status.getStageException();
if (msg != null && msg.trim().length() > 0) {
pw.println(msg);
// only print the exception if it's not the same as the
// the status message
if (t != null && t.getMessage() != null &&
!t.getMessage().equals(msg)) {
pw.println(t.getLocalizedMessage());
}
} else {
if (t != null) {
pw.println(t.getLocalizedMessage());
}
}
}
}
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