public static void copy(ModifiableTraversableSource from, ModifiableTraversableSource to)
throws IOException {
if (!from.exists()) {
throw new IOException("Cannot find source file/folder");
}
if (from.isCollection()) {
to.makeCollection();
Collection contents;
try {
contents = from.getChildren();
} catch (SourceException se) {
throw new RuntimeException("Unable to list contents for collection " + from);
}
for (Iterator iter = contents.iterator(); iter.hasNext(); ) {
ModifiableTraversableSource src = (ModifiableTraversableSource) iter.next();
SourceUtil.copy(src, resolve(to.getURI() + "/" + src.getName()));
}
} else {
to = (ModifiableTraversableSource) resolve(to.getURI());
InputStream in = null;
OutputStream out = null;
try {
in = from.getInputStream();
out = to.getOutputStream();
copy(in, out);
} finally {
if (out != null) out.close();
if (in != null) in.close();
}
}
}
/**
* Initialization is only done, if the things to initialize are not yet existing, so it can be
* called anytime to ensure the existence.
*/
private void initializeTalk(String teamspace, String teamspaceName) throws Exception {
String talkDirPath = "/teamspaces/" + teamspace + "/talk/conversations";
// create sub directory
ModifiableTraversableSource source;
source = (ModifiableTraversableSource) this.sourceResolver.resolveURI(JCR_SCHEME + talkDirPath);
if (!source.exists()) {
source.makeCollection();
}
// create id subnode
this.uniqueIDGenerator.initializePath(talkDirPath);
}
public String getUniqueTalkId(String path, String title) throws Exception {
String teamspace = extractTeamspaceFromURI(path);
initializeTalk(teamspace, teamspace);
final String normalizedTitle = normalizeTitle(title);
ModifiableTraversableSource source;
source =
(ModifiableTraversableSource)
this.sourceResolver.resolveURI(path + normalizedTitle + "/meta.xml");
if (source.exists()) {
long id = this.uniqueIDGenerator.getNextID(path);
return normalizedTitle + "-" + id;
} else {
return normalizedTitle;
}
}
public static boolean remove(ModifiableTraversableSource resource) {
boolean success = true;
if (resource.isCollection()) {
Collection contents;
try {
contents = resource.getChildren();
} catch (SourceException se) {
throw new RuntimeException("Unable to list contents for collection " + resource);
}
for (Iterator iter = contents.iterator(); iter.hasNext(); ) {
ModifiableTraversableSource element = (ModifiableTraversableSource) iter.next();
success = remove(element);
}
}
try {
resource.delete();
return success;
} catch (SourceException e) {
return false;
}
}
public void testTraverseDir() throws Exception {
String text = "Look Ma, more data!";
ModifiableTraversableSource dir =
(ModifiableTraversableSource) resolver.resolveURI("jcr://path/to/dir");
dir.makeCollection();
for (int i = 0; i < 10; i++) {
ModifiableTraversableSource src = (ModifiableTraversableSource) dir.getChild("file" + i);
write(src, text + i);
}
// Lookup dir again, and inspect children
dir = (ModifiableTraversableSource) resolver.resolveURI("jcr://path/to/dir");
Collection children = dir.getChildren();
assertEquals(10, children.size());
for (int i = 0; i < 10; i++) {
Source src = dir.getChild("file" + i);
assertTrue(src.exists());
assertEquals(text + i, read(src));
}
}
public static void save(Part part, ModifiableTraversableSource destination) throws Exception {
InputStream in = null;
OutputStream out = null;
try {
in = part.getInputStream();
out = destination.getOutputStream();
copy(in, out);
} finally {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
}
}
public void testDeleteDir() throws Exception {
String text = "Wow, a lot of data going there";
ModifiableTraversableSource source =
(ModifiableTraversableSource) resolver.resolveURI("jcr://and/again/a/deep/node");
assertFalse(source.exists());
write(source, text);
// Lookup 'a' node
source = (ModifiableTraversableSource) resolver.resolveURI("jcr://and/again/a/");
assertTrue(source.isCollection());
source.delete();
assertFalse(source.exists());
// Double check with a fresh source
source = (ModifiableTraversableSource) resolver.resolveURI("jcr://and/again/a/");
assertFalse(source.exists());
// Check on children
source = (ModifiableTraversableSource) resolver.resolveURI("jcr://and/again/a/deep/node");
assertFalse(source.exists());
}
public void testCrawlUp() throws Exception {
String text = "Look Pa, some more!";
ModifiableTraversableSource src =
(ModifiableTraversableSource) resolver.resolveURI("jcr://path/to/very/deep/content");
write(src, text);
// Do a fresh lookup
src = (ModifiableTraversableSource) resolver.resolveURI("jcr://path/to/very/deep/content");
ModifiableTraversableSource parent = (ModifiableTraversableSource) src.getParent();
assertTrue(parent.exists());
assertEquals("jcr://path/to/very/deep", parent.getURI());
parent = (ModifiableTraversableSource) parent.getParent();
assertTrue(parent.exists());
assertEquals("jcr://path/to/very", parent.getURI());
parent = (ModifiableTraversableSource) parent.getParent();
assertTrue(parent.exists());
assertEquals("jcr://path/to", parent.getURI());
parent = (ModifiableTraversableSource) parent.getParent();
assertTrue(parent.exists());
assertEquals("jcr://path", parent.getURI());
parent = (ModifiableTraversableSource) parent.getParent();
assertTrue(parent.exists());
assertEquals("jcr://", parent.getURI());
// Root node has no parent
parent = (ModifiableTraversableSource) parent.getParent();
assertNull(parent);
}