private ChangeLogSet<? extends Entry> calcChangeSet() {
File changelogFile = new File(getRootDir(), "changelog.xml");
if (!changelogFile.exists()) return ChangeLogSet.createEmpty(this);
try {
return scm.parse(this, changelogFile);
} catch (IOException e) {
e.printStackTrace();
} catch (SAXException e) {
e.printStackTrace();
}
return ChangeLogSet.createEmpty(this);
}
/**
* Gets the changes incorporated into this build.
*
* @return never null.
*/
@Exported
public ChangeLogSet<? extends Entry> getChangeSet() {
if (scm == null) {
// for historical reason, null means CVS.
try {
Class<?> c =
Hudson.getInstance()
.getPluginManager()
.uberClassLoader
.loadClass("hudson.scm.CVSChangeLogParser");
scm = (ChangeLogParser) c.newInstance();
} catch (ClassNotFoundException e) {
// if CVS isn't available, fall back to something non-null.
scm = new NullChangeLogParser();
} catch (InstantiationException e) {
scm = new NullChangeLogParser();
throw (Error) new InstantiationError().initCause(e);
} catch (IllegalAccessException e) {
scm = new NullChangeLogParser();
throw (Error) new IllegalAccessError().initCause(e);
}
}
if (changeSet == null) // cached value
try {
changeSet = calcChangeSet();
} finally {
// defensive check. if the calculation fails (such as through an exception),
// set a dummy value so that it'll work the next time. the exception will
// be still reported, giving the plugin developer an opportunity to fix it.
if (changeSet == null) changeSet = ChangeLogSet.createEmpty(this);
}
return changeSet;
}
/*
* (non-Javadoc)
*
* @see hudson.scm.ChangeLogParser#parse(hudson.model.AbstractBuild,
* java.io.File)
*/
@Override
public ChangeLogSet<? extends Entry> parse(AbstractBuild build, File changelogFile)
throws IOException, SAXException {
return ChangeLogSet.createEmpty(build);
}
