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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 services;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.List;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import org.oasisopen.sca.annotation.Init;
import org.oasisopen.sca.annotation.Property;
import com.example.ipo.jaxb.Item;
import com.example.ipo.jaxb.JiraData;
import com.example.ipo.jaxb.Milestone;
import com.example.ipo.jaxb.Plan;
import com.example.ipo.jaxb.RSS;
import com.example.ipo.jaxb.WorkItem;
public class PlanViewImpl implements PlanView {
static String rssPrefix = "http://issues.apache.org/jira/si/jira.issueviews:issue-xml/";
@Property
public String planFile = "src/main/resources/jiraSideBand.xml";
@Init
public void init() {
}
private Plan getPlan() {
Plan p = null;
try {
p = readPlan();
augmentPlan(p);
writePlan(p);
} catch (Exception e) {
e.printStackTrace();
}
return p;
}
private void augmentPlan(Plan plan) {
for(Milestone m : plan.getMilestone()) {
for (WorkItem wi: m.getWorkItem()) {
augmentWorkItem(wi);
}
}
}
private void augmentWorkItem(WorkItem wi) {
String jira = wi.getJira();
if(jira != null) {
JiraData jd = new JiraData();
wi.setJiraData(jd);
jd.setID(jira);
try {
JAXBContext jaxbContext = JAXBContext
.newInstance("com.example.ipo.jaxb");
Unmarshaller m2 = jaxbContext.createUnmarshaller();
InputStream is = null;
RSS jfeed = null;
try{
URL url = new URL("http://issues.apache.org/jira/si/jira.issueviews:issue-xml/"+jira+"/"+jira+".xml");
is = url.openStream();
jfeed = ((JAXBElement<RSS>) m2.unmarshal(is)).getValue();
}
catch (FileNotFoundException e) {
String note = wi.getNote();
note += ": attempt to reference non-existent JIRA " + jira;
wi.setNote(note);
wi.setJira(null);
wi.setJiraData(null);
}
finally {
if(is != null) is.close();
}
if(jfeed != null) {
Item i = jfeed.getChannel().getItem();
List<JAXBElement<?>> c = i.getContent();
// TODO see if there's a better way to get this data out
for (JAXBElement<?> element : c) {
if("title".equals(element.getName().getLocalPart())) {
String jtitle = (String)element.getValue();
jd.setTitle(jtitle.substring(jtitle.indexOf(']')+1, jtitle.length()));
}
else if("status".equals(element.getName().getLocalPart())){
jd.setStatus((String)element.getValue());
}
else if("assignee".equals(element.getName().getLocalPart())) {
jd.setAssignedTo((String)element.getValue());
}
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
}
}
}
public Plan get() {
Plan p = getPlan();
return p;
}
public Plan getLite() {
Plan p = readPlan();
return p;
}
private Milestone getMS(Plan p, String id) {
Milestone m = null;
for(Milestone mi : p.getMilestone()) {
if(id.equals(mi.getID())) {
m = mi;
break;
}
}
return m;
}
public void postNewWorkItem(String msid, String jira) {
Plan p = readPlan();
Milestone m = getMS(p,msid);
WorkItem wi = new WorkItem();
wi.setJira(jira);
augmentWorkItem(wi);
m.getWorkItem().add(wi);
writePlan(p);
}
public void postNewMilestone(String msid) {
Plan p = readPlan();
if(getMS(p, msid) == null) {
List<Milestone> mis = p.getMilestone();
Milestone newm = new Milestone();
newm.setID(msid);
mis.add(newm);
writePlan(p);
}
}
private void writePlan(Plan p)
{
FileOutputStream fos = null;
String dbPath = null;
File existingFile = null;
File newFile= null;
String backupPath = null;
try {
JAXBContext jaxbContext = JAXBContext
.newInstance("com.example.ipo.jaxb");
Marshaller m = jaxbContext.createMarshaller();
m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
existingFile = new File(planFile).getAbsoluteFile();
dbPath = existingFile.getAbsolutePath();
String tempPath = dbPath.substring(0,dbPath.indexOf(".xml"))+".tmp.xml";
backupPath = dbPath.substring(0,dbPath.indexOf(".xml"));
DateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
String timestamp = df.format(Calendar.getInstance().getTime());
backupPath+= timestamp;
backupPath+=".xml";
newFile = new File(tempPath).getAbsoluteFile();
fos = new FileOutputStream(newFile);
m.marshal(p, fos);
} catch (Exception e) {
e.printStackTrace();
} finally {
}
if(fos!=null)
try {
fos.close();
new File(dbPath).renameTo(new File(backupPath));
newFile.renameTo(new File(dbPath));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private Plan readPlan()
{
Plan p = null;
try {
JAXBContext jaxbContext = JAXBContext
.newInstance("com.example.ipo.jaxb");
Unmarshaller m = jaxbContext.createUnmarshaller();
File inputFile = new File(planFile).getAbsoluteFile();
if(!inputFile.exists()){ // start afresh
Plan newPlan = new Plan();
writePlan(newPlan);
inputFile = new File(planFile).getAbsoluteFile();
}
p = (Plan)m.unmarshal(inputFile);
} catch(Exception e) {
throw new IllegalStateException("Failed to read plan file",e);
}
return p;
}
}
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