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server.groovy.new
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import static com.google.common.base.Preconditions.checkNotNull;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import javax.imageio.ImageIO;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.apache.commons.collections.map.MultiValueMap;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import org.glassfish.jersey.jdkhttp.JdkHttpServerFactory;
import org.glassfish.jersey.server.ResourceConfig;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import com.github.axet.vget.VGet;
import com.github.axet.vget.info.VideoInfo.VideoQuality;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Sets;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.api.json.JSONConfiguration;
// TODO: Use javax.json.* for immutability
public class Yurl {
@Path("yurl")
public static class HelloWorldResource { // Must be public
@Deprecated
private static final Integer ROOT_ID = 45;
private static final String CYPHER_URI = "http://netgear.rohidekar.com:7474/db/data/cypher";
private static final String TARGET_DIR_PATH = "/media/sarnobat/Unsorted/Videos/";
private static final String TARGET_DIR_PATH_IMAGES = "/media/sarnobat/Unsorted/images/";
static {
System.out.println("static() begin");
refreshCategoriesTreeCache();
}
private static JSONObject categoriesTreeCache;
// This never gets called
HelloWorldResource() {
}
@GET
@Path("parent")
@Produces("application/json")
public Response parent(@QueryParam("nodeId") Integer iNodeId)
throws JSONException, IOException {
ImmutableMap.Builder<String, Object> theParams = ImmutableMap.<String, Object>builder();
theParams.put("nodeId", iNodeId);
// TODO: order these by most recent-first (so that they appear this
// way in the UI)
JSONObject theParentNodeJson = execute(
"start n=node({nodeId}) MATCH p-[r:CONTAINS]->n RETURN id(p)",
theParams.build());
JSONArray theData = (JSONArray) theParentNodeJson.get("data");
JSONArray ret = new JSONArray();
for (int i = 0; i < theData.length(); i++) {
JSONArray a = theData.getJSONArray(i);
JSONObject o = new JSONObject();
String id = (String) a.get(0);
o.put("id", id);
ret.put(o);
}
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(ret.toString()).type("application/json").build();
}
//
// Batch
//
@GET
@Path("batchInsert")
@Produces("application/json")
public Response batchInsert(@QueryParam("rootId") Integer iRootId,
@QueryParam("urls") String iUrls) throws Exception {
Preconditions.checkArgument(iRootId != null);
System.out.println("batchInsert - " + iRootId);
// System.out.println("batchInsert - " + URLDecoder.decode(iUrls,
// "UTF-8"));
StringBuffer unsuccessfulLines = new StringBuffer();
String[] lines = iUrls.trim().split("\\n");
int i = 0;
while (i < lines.length) {
System.out.println("1");
String first = lines[i];
if (first.startsWith("http")) {
stash(URLEncoder.encode(first, "UTF-8"), iRootId);
++i;
continue;
}
String theHttpUrl;
try {
// Fails if it sees the string "%)"
theHttpUrl = URLDecoder.decode(first, "UTF-8");
} catch (Exception e) {
System.out.println(e.getStackTrace());
addToUnsuccessful(unsuccessfulLines, first, "");
++i;
continue;
}
System.out.println("decoded: " + theHttpUrl);
if (first.startsWith("=")) {
++i;
addToUnsuccessful(unsuccessfulLines, first, "");
continue;
}
if (first.startsWith("http")) {
++i;
addToUnsuccessful(unsuccessfulLines, first, "");
continue;
}
System.out.println("3");
if (first.matches("^\\s*" + '$')) {
++i;
continue;
}
System.out.println("4");
String second = lines[i + 1];
if (first.startsWith("\"") && second.startsWith("http")) {
System.out.println("to be processed: " + first);
System.out.println("to be processed: " + second);
stash(second, iRootId);
} else {
addToUnsuccessful(unsuccessfulLines, first, second);
}
i += 2;
}
JSONObject entity = new JSONObject();
entity.put("unsuccessful", unsuccessfulLines.toString());
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(entity.toString()).type("application/json").build();
}
// TODO : remove mutable state
public void addToUnsuccessful(StringBuffer unsuccessfulLines,
String first, String second) {
unsuccessfulLines.append(first);
unsuccessfulLines.append("\n");
unsuccessfulLines.append(second);
unsuccessfulLines.append("\n");
unsuccessfulLines.append("\n");
}
//
// ------------------------------------------------------------------------------------
// Backup
// ------------------------------------------------------------------------------------
@GET
@Path("dumpurls")
@Produces("application/text")
public Response dumpUrls(@QueryParam("rootId") Integer iRootId)
throws IOException, JSONException {
Set<String> visitedInternalNodes = new HashSet<String>();
Integer startId = iRootId;
if (startId == null) {
startId = 0;
}
StringBuffer sb = new StringBuffer();
StringBuffer plainText = new StringBuffer();
sb.append("foo\n");
printNode(startId, sb, plainText, visitedInternalNodes);
System.out.println("dumpUrls");
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(plainText.toString()).type("text/plain").build();
}
private void printNode(Integer iRootId, StringBuffer json,
StringBuffer plainText, Set<String> visitedInternalNodes)
throws IOException, JSONException {
json.append("bar");
ImmutableMap.Builder<String, Object> theParams = ImmutableMap.<String, Object>builder();
theParams.put("nodeId", iRootId);
JSONObject theResponse = execute(
"start root=node({nodeId}) MATCH root--n RETURN distinct n, id(n)",
theParams.build());
JSONArray jsonArray = (JSONArray) theResponse.get("data");
for (int i = 0; i < jsonArray.length(); i++) {
JSONArray aNode = (JSONArray) jsonArray.get(i);
JSONObject object = (JSONObject) ((JSONObject) aNode.get(0))
.get("data");
String id = (String) checkNotNull(aNode.get(1));
if (visitedInternalNodes.contains(id)) {
continue;
}
System.out.println("1.5");
if (object.has("type") && object.get("type") != null
&& object.get("type").equals("categoryNode")) {
plainText.append("=== ");
plainText.append(object.get("name"));
plainText.append(" ===\n");
}
if (object.has("title")) {
plainText.append("\"");
plainText.append(object.get("title"));
plainText.append("\",\"");
if (object.has("url")) {
plainText.append(object.get("url"));
}
plainText.append("\"");
plainText.append("\n");
}
if (object.has("url")) {
plainText.append(object.get("url"));
plainText.append("\n");
plainText.append("\n");
}
json.append(object);
System.out.println("2");
visitedInternalNodes.add(id);
printNode(Integer.parseInt(id), json, plainText,
visitedInternalNodes);
}
}
// ------------------------------------------------------------------------------------
// Page operations
// ------------------------------------------------------------------------------------
@GET
@Path("count_non_recursive")
@Produces("application/json")
@Deprecated // Use categoriesRecursive
public Response countNonRecursive(@QueryParam("rootId") Integer iRootId)
throws Exception {
checkNotNull(iRootId);
try {
ImmutableMap.Builder<String, Object> theParams = ImmutableMap.<String, Object>builder();
theParams.put("rootId", iRootId);
JSONObject theQueryResultJson = execute(
"start n=node({rootId}) match n-[CONTAINS]->u where has(u.title) return n.name, count(u) as cnt",
theParams.build());
JSONArray outerArray = (JSONArray) theQueryResultJson
.get("data");
JSONArray innerArray = (JSONArray) outerArray.get(0);
String name = (String) innerArray.get(0);
Integer count = (Integer) innerArray.get(1);
JSONObject result = new JSONObject();
result.put("count", count);
result.put("name", name);
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(result.toString()).type("application/json")
.build();
} catch (Exception e) {
e.printStackTrace();
throw e;
}
}
@GET
@Path("uncategorized")
@Produces("application/json")
public Response getUrls(@QueryParam("rootId") Integer iRootId)
throws JSONException, IOException {
checkNotNull(iRootId);
JSONObject categoriesTreeJson;
if (categoriesTreeCache == null) {
System.out.println("getUrls() - preloaded categories tree not ready");
categoriesTreeJson = getCategoriesTree(ROOT_ID);
} else {
categoriesTreeJson = categoriesTreeCache;
// This is done in a separate thread
refreshCategoriesTreeCache();
}
JSONArray ret = getKeys(iRootId);
JSONObject retVal = new JSONObject();
try {
// retVal.put("urlsAtTopLevel", getItemsAtLevel(iRootId));
retVal.put("urls", getItemsAtLevelAndChildLevels(iRootId));
retVal.put("categoriesRecursive", categoriesTreeJson);
retVal.put("categoriesNonRecursive", ret);
}
catch (Exception e) {
e.printStackTrace();
}
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(retVal.toString())
.type("application/json").build();
}
// The main part
private static JSONObject getItemsAtLevelAndChildLevels(Integer iRootId) throws JSONException, IOException {
System.out.println("getItemsAtLevelAndChildLevels() - " + iRootId);
if (categoriesTreeCache == null) {
categoriesTreeCache = getCategoriesTree(iRootId);
}
ImmutableMap.Builder<String, Object> theParams = ImmutableMap.<String, Object>builder();
theParams.put("rootId", iRootId);
// TODO: the source is null clause should be obsoleted
JSONObject theQueryResultJson = execute(
"start source=node({rootId}) match source-[r:CONTAINS*1..2]->u where (source is null or ID(source) = {rootId}) and not(has(u.type)) AND id(u) > 0 return distinct ID(u),u.title,u.url,extract(r1 in r | id(r1)) as path,u.downloaded_video,u.downloaded_image,u.created,u.ordinal ORDER BY u.ordinal DESC LIMIT 500",
theParams.build());
JSONArray theDataJson = (JSONArray) theQueryResultJson.get("data");
JSONArray theUncategorizedNodesJson = new JSONArray();
for (int i = 0; i < theDataJson.length(); i++) {
JSONObject anUncategorizedNodeJsonObject = new JSONObject();
_1: {
JSONArray anItem = theDataJson.getJSONArray(i);
_11: {
String anId = (String) anItem.get(0);
anUncategorizedNodeJsonObject.put("id", anId);
}
_12: {
String aTitle = (String) anItem.get(1);
anUncategorizedNodeJsonObject.put("title", aTitle);
}
_13: {
String aUrl = (String) anItem.get(2);
anUncategorizedNodeJsonObject.put("url", aUrl);
}
_14: {
try {
JSONArray path = (JSONArray) anItem.get(3);
if (path.length() < 2) {
anUncategorizedNodeJsonObject.put("parentId",
iRootId);
} else {
anUncategorizedNodeJsonObject.put("parentId",
path.get(0));
}
} catch (Exception e) {
// TODO: Add this back
e.printStackTrace();
}
}
_15: {
Object val = anItem.get(4);
if (val != null && !("null".equals(val)) && !(val.getClass().equals(JSONObject.Null))) {
String aValue = (String) val;
anUncategorizedNodeJsonObject.put("downloaded_video", aValue);
}
}
_16: {
Object val = anItem.get(6);
if (val != null && !("null".equals(val)) && !(val.getClass().equals(JSONObject.Null))) {
// System.out.println("Non-null value: " + val + "\t" + val.getClass());
Long aValue = (Long) val;
anUncategorizedNodeJsonObject.put("created", aValue);
}
}
}
theUncategorizedNodesJson.put(anUncategorizedNodeJsonObject);
}
JSONObject ret = new JSONObject();
transform : {
for (int i = 0; i < theUncategorizedNodesJson.length(); i++) {
JSONObject jsonObject = (JSONObject) theUncategorizedNodesJson
.get(i);
String parentId = (String) jsonObject.get("parentId");
if (!ret.has(parentId)) {
ret.put(parentId, new JSONArray());
}
JSONArray target = (JSONArray) ret.get(parentId);
target.put(jsonObject);
}
}
return ret;
}
@Deprecated
private JSONArray getItemsAtLevel(Integer iRootId) throws IOException {
ImmutableMap.Builder<String, Object> theParams = ImmutableMap.<String, Object>builder();
theParams.put("rootId", iRootId);
// TODO: the source is null clause should be obsoleted
JSONObject theQueryResultJson = execute(
"start n=node({rootId}) MATCH n<-[r:CONTAINS]-source where (source is null or ID(source) = {rootId}) and not(has(n.type)) AND id(n) > 0 return distinct ID(n),n.title,n.url,n.created,n.ordinal ORDER BY n.ordinal DESC LIMIT 500",
theParams.build());
JSONArray theDataJson = (JSONArray) theQueryResultJson.get("data");
JSONArray theUncategorizedNodesJson = new JSONArray();
for (int i = 0; i < theDataJson.length(); i++) {
JSONObject anUncategorizedNodeJsonObject = new JSONObject();
_1: {
JSONArray anItem = theDataJson.getJSONArray(i);
_11: {
String anId = (String) anItem.get(0);
anUncategorizedNodeJsonObject.put("id", anId);
}
_12: {
String aTitle = (String) anItem.get(1);
anUncategorizedNodeJsonObject.put("title", aTitle);
}
_13: {
String aUrl = (String) anItem.get(2);
anUncategorizedNodeJsonObject.put("url", aUrl);
}
}
theUncategorizedNodesJson.put(anUncategorizedNodeJsonObject);
}
return theUncategorizedNodesJson;
}
// -----------------------------------------------------------------------------
// Key bindings
// -----------------------------------------------------------------------------
@GET
@Path("keysUpdate")
@Produces("application/json")
// Ideally we should wrap this method inside a transaction but over REST
// I don't know how to do that.
// TODO: we will have to start supporting disassociation of key bindings
// with child categories
public Response keysUpdate(@QueryParam("parentId") Integer iParentId,
@QueryParam("newKeyBindings") String iNewKeyBindings,
@QueryParam("oldKeyBindings") String iOldKeyBindings)
throws JSONException, IOException {
System.out.println("keysUpdate");
Set<String> theOldKeyBindingsSet = new HashSet<String>();
Collections.addAll(theOldKeyBindingsSet, iOldKeyBindings.trim()
.split("\n"));
Set<String> theNewKeyBindingsSet = new HashSet<String>();
Collections.addAll(theNewKeyBindingsSet, iNewKeyBindings.trim()
.split("\n"));
// NOTE: This is not symmetric (commutative?). If you want to
// support removal do that in a separate loop
Set<String> theNewKeyBindingLines = Sets.difference(
theNewKeyBindingsSet, theOldKeyBindingsSet);
_1: {
System.out.println("Old: " + theOldKeyBindingsSet);
System.out.println("New: " + theNewKeyBindingsSet);
System.out.println("Difference: " + theNewKeyBindingLines);
}
// Remove duplicates by putting the bindings in a map
Map<String, String> theKeyBindingsNoDuplicates = new HashMap<String, String>();
for (String aNewKeyBinding : theNewKeyBindingLines) {
if (aNewKeyBinding.trim().startsWith("#")
&& !aNewKeyBinding.trim().startsWith("#=")) {
continue;// A commented out keybinding
}
// TODO: do not allow key binding that is "_". This is reserved
// for hiding until refresh
_1: {
// Ignore trailing comments
String[] aLineElements = aNewKeyBinding.split("=");
String aKeyCode = aLineElements[0].trim();
String[] aRightHandSideElements = aLineElements[1].trim()
.split("#");
_2: {
String aName = aRightHandSideElements[0].trim();
System.out
.println("Accepting proposal to create key binding for "
+ aName + "(" + aKeyCode + ")");
theKeyBindingsNoDuplicates.put(aKeyCode, aName);
}
}
// TODO: if it fails, recover and create the remaining ones?
}
for (String aKeyCode : theKeyBindingsNoDuplicates.keySet()) {
String aName = theKeyBindingsNoDuplicates.get(aKeyCode);
Map<String, Object> aParamValues = new HashMap<String, Object>();
_1: {
aParamValues.put("parentId", iParentId);
aParamValues.put("key", aKeyCode);
}
System.out
.println("About to remove keybinding for " + aKeyCode);
JSONObject json = execute(
"START parent=node( {parentId} ) MATCH parent-[r:CONTAINS]->category WHERE has(category.key) and category.type = 'categoryNode' and category.key = {key} DELETE category.key RETURN category",
aParamValues);
theKeyBindingsNoDuplicates.remove(aKeyCode);
System.out.println("Removed keybinding for " + aName);
createNewKeyBinding(aName, aKeyCode, iParentId);
}
JSONArray ret = getKeys(iParentId);
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(ret.toString()).type("application/json").build();
}
private void createNewKeyBinding(String iCategoryName, String iKeyCode,
Integer iParentId) throws IOException, JSONException {
System.out.println("createNewKeyBinding() - begin()");
// TODO: Also create a trash category for each new category key node
boolean shouldCreateNewCategoryNode = false;
_1: {
Map<String, Object> theParamValues = new HashMap<String, Object>();
theParamValues.put("parentId", iParentId);
// TODO: change this back
theParamValues.put("aCategoryName", iCategoryName);
theParamValues.put("aKeyCode", iKeyCode);
String iCypherQuery = "START parent=node({parentId}) MATCH parent -[r:CONTAINS]-> existingCategory WHERE has(existingCategory.type) and existingCategory.type = 'categoryNode' and existingCategory.name = {aCategoryName} SET existingCategory.key = {aKeyCode} RETURN id(existingCategory)";
JSONObject theJson = execute(iCypherQuery, theParamValues);
System.out.println("restoring unassociated category: "
+ iCypherQuery + "\t" + theParamValues);
System.out.println(theJson.get("data"));
JSONArray theCategoryNodes = (JSONArray) theJson.get("data");
if (theCategoryNodes.length() > 0) {
if (theCategoryNodes.length() > 1) {
throw new RuntimeException(
"There should never be 2 child categories of the same node with the same name");
}
String theNewCategoryNodeIdString = "-1";
theNewCategoryNodeIdString = (String) theCategoryNodes
.get(0);
System.out.println("Category ID to reattach: "
+ theNewCategoryNodeIdString);
} else {
shouldCreateNewCategoryNode = true;
}
}
if (shouldCreateNewCategoryNode) {
Map<String, Object> theParamValues = new HashMap<String, Object>();
_1: {
theParamValues.put("name", iCategoryName);
theParamValues.put("key", iKeyCode);
theParamValues.put("type", "categoryNode");
theParamValues.put("created", System.currentTimeMillis());
System.out.println("cypher params: " + theParamValues);
}
// TODO: first check if there is already a node with this name,
// which is for re-associating the keycode with the category
JSONObject theNewKeyBindingResponseJson = execute(
"CREATE (n { name : {name} , key : {key}, created: {created} , type :{type}}) RETURN id(n)",
theParamValues);
System.out.println(theNewKeyBindingResponseJson.toString());
String theNewCategoryNodeIdString = (String) ((JSONArray) ((JSONArray) theNewKeyBindingResponseJson
.get("data")).get(0)).get(0);
Integer theNewCategoryNodeId = Integer
.parseInt(theNewCategoryNodeIdString);
relateHelper(iParentId, theNewCategoryNodeId);
}
System.out.println("createNewKeyBinding() - end()");
}
@GET
@Path("keys")
@Produces("application/json")
public Response keys(@QueryParam("parentId") Integer iParentId)
throws JSONException, IOException {
JSONArray ret = getKeys(iParentId);
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(ret.toString()).type("application/json").build();
}
public JSONArray getKeys(Integer iParentId) throws IOException,
JSONException {
System.out.println("getKeys() - parent ID: " + iParentId);
ImmutableMap.Builder<String, Object> theParams = ImmutableMap.<String, Object>builder();
_1: {
theParams.put("parentId", iParentId);
}
// Unfortunately, we cannot insist on counting only the URL nodes -
// it will prevent category nodes from being returned. See if
// there's
// a way to do this in Cypher. If there isn't, this is not a huge
// compromise.
JSONObject theQueryJsonResult = execute(
"START parent=node({parentId}) MATCH parent-[c:CONTAINS]->n -[c2:CONTAINS*]->n2 WHERE has(n.name) and n.type = 'categoryNode' and id(parent) = {parentId} RETURN ID(n),n.name,n.key,count(n2) as c order by c desc",
theParams.build());
JSONArray theData = (JSONArray) theQueryJsonResult.get("data");
System.out.println("getKeys() - length: " + theData.length());
JSONArray oKeys = new JSONArray();
for (int i = 0; i < theData.length(); i++) {
JSONObject aBindingObject = new JSONObject();
_1: {
JSONArray aBindingArray = theData.getJSONArray(i);
String id = (String) aBindingArray.get(0);
aBindingObject.put("id", id);
String title = (String) aBindingArray.get(1);
String aUrl = (String) aBindingArray.get(2);
String aCount = ((Integer) aBindingArray.get(3)).toString();
_11: {
// remove this. Just checking that this is a valid
// number
Integer.parseInt(aCount);
}
aBindingObject.put("name", title);
aBindingObject.put("key", aUrl);// TODO: this could be null
aBindingObject.put("count", aCount);
oKeys.put(aBindingObject);
}
}
System.out.println("getKeys() - length: " + oKeys.length());
return oKeys;
}
// --------------------------------------------------------------------------------------
// Write operations
// --------------------------------------------------------------------------------------
@GET
@Path("stash")
@Produces("application/json")
public Response stash(@QueryParam("param1") String iUrl,
@QueryParam("rootId") Integer iRoodId) throws JSONException,
IOException {
System.out.println("stash() - begin");
// This will convert
String theHttpUrl = URLDecoder.decode(iUrl, "UTF-8");
System.out.println("stash() - url decoded: " + theHttpUrl);
String theTitle = getTitle(new URL(theHttpUrl));
try {
JSONObject newNodeJsonObject = createNode(theHttpUrl, theTitle,
new Integer(iRoodId));
System.out.println("stash() - node created");
System.out.println("About to get id");
JSONArray theNewNodeId = (JSONArray) ((JSONArray) newNodeJsonObject
.get("data")).get(0);
System.out.println("Got array: " + theNewNodeId);
System.out.println(theNewNodeId.get(0));
String id = (String) theNewNodeId.get(0);
System.out.println(id);
launchAsynchronousTasks(theHttpUrl, id);
// TODO: check that it returned successfully (redundant?)
System.out.println(newNodeJsonObject.toString());
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(newNodeJsonObject.get("data").toString())
.type("application/json").build();
} catch (Exception e) {
System.out.println("error");
System.out.println(e);
e.printStackTrace();
return null;
}
}
private static void launchAsynchronousTasks(String iUrl, String id) {
downloadImageInSeparateThread(iUrl, TARGET_DIR_PATH_IMAGES,
CYPHER_URI, id);
downloadVideoInSeparateThread(iUrl, TARGET_DIR_PATH, CYPHER_URI, id);
}
private static void downloadImageInSeparateThread(final String iUrl2,
final String targetDirPath, final String cypherUri,
final String id) {
String iUrl = iUrl2.replaceAll("\\?.*","");
Runnable r = new Runnable() {
// @Override
public void run() {
System.out.println("downloadImageInSeparateThread() - "
+ iUrl + " :: " + targetDirPath);
if (iUrl.toLowerCase().contains(".jpg")) {
} else if (iUrl.toLowerCase().contains(".jpeg")) {
} else if (iUrl.toLowerCase().contains(".png")) {
} else if (iUrl.toLowerCase().contains(".gif")) {
} else if (iUrl.toLowerCase().contains("gstatic")) {
} else {
System.out
.println("downloadImageInSeparateThread() - not an image");
return;// not an image
}
try {
System.out
.println("downloadImageInSeparateThread() - about to save");
saveImage(iUrl, targetDirPath);
System.out
.println("downloadImageInSeparateThread() - success, updating DB");
execute("start n=node({id}) WHERE n.url = {url} SET n.downloaded_image = {date}",
ImmutableMap.<String, Object> of("id",
Long.valueOf(id), "url", iUrl, "date",
System.currentTimeMillis()));
System.out
.println("downloadImageInSeparateThread() - DB updated");
} catch (Exception e) {
// e.printStackTrace();
System.out.println(e.getMessage());
}
}
};
new Thread(r).start();
}
private static void saveImage(String urlString, String targetDirPath)
throws IllegalAccessError, IOException {
System.out.println("saveImage() - " +urlString + "\t::\t" + targetDirPath);
URL url = new URL(urlString);
BufferedImage image = ImageIO.read(url);
String extension = FilenameUtils.getExtension(urlString);
String baseName = FilenameUtils.getBaseName(urlString).replaceAll("/", "-");
System.out.println(baseName);
String decoded = URLDecoder.decode(baseName, "UTF-8");
String outputFilename = determineDestinationPathAvoidingExisting(
targetDirPath + "/" + decoded + "." + extension)
.toString();
// outputFilename = outputFilename.replaceAll("/", "-");
System.out.println("saveImage() About to decode");
//String outputFilenameDecoded = java.net.URLDecoder.decode(outputFilename, "UTF-8");
System.out.println(outputFilename);
ImageIO.write(image, extension, new File(outputFilename));
}
private static java.nio.file.Path determineDestinationPathAvoidingExisting(
String destinationFilePath) throws IllegalAccessError {
String destinationFilePathWithoutExtension = destinationFilePath
.substring(0, destinationFilePath.lastIndexOf('.'));
String extension = FilenameUtils.getExtension(destinationFilePath);
java.nio.file.Path destinationFile = Paths.get(destinationFilePath);
while (Files.exists(destinationFile)) {
destinationFilePathWithoutExtension += "1";
destinationFilePath = destinationFilePathWithoutExtension + "." + extension;
destinationFile = Paths.get(destinationFilePath);
}
if (Files.exists(destinationFile)) {
throw new IllegalAccessError(
"an existing file will get overwritten");
}
return destinationFile;
}
private JSONObject createNode(String theHttpUrl, String theTitle,
Integer rootId) throws IOException, JSONException {
Map<String, Object> theParamValues = new HashMap<String, Object>();
_1: {
theParamValues.put("url", theHttpUrl);
theParamValues.put("title", theTitle);
long currentTimeMillis = System.currentTimeMillis();
theParamValues.put("created", currentTimeMillis);
theParamValues.put("ordinal", currentTimeMillis);
}
JSONObject json = execute(
"CREATE (n { title : {title} , url : {url}, created: {created}, ordinal: {ordinal} }) RETURN id(n)",
theParamValues);
_2: {
JSONArray theNewNodeId = (JSONArray) ((JSONArray) json
.get("data")).get(0);
System.out.println("New node: " + theNewNodeId.get(0));
relateHelper(rootId, (Integer) theNewNodeId.get(0));
}
return json;
}
private String getTitle(final URL iUrl) {
String title = "";
ExecutorService theExecutorService = Executors
.newFixedThreadPool(2);
Collection<Callable<String>> tasks = new ArrayList<Callable<String>>();
Callable<String> callable = new Callable<String>() {
public String call() throws Exception {
Document doc = Jsoup.connect(iUrl.toString()).get();
return doc.title();
}
};
tasks.add(callable);
try {
List<Future<String>> taskFutures = theExecutorService
.invokeAll(tasks, 3000L, TimeUnit.SECONDS);
title = taskFutures.get(0).get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
return title;
}
private static void downloadVideoInSeparateThread(
final String iVideoUrl, final String TARGET_DIR_PATH,
final String cypherUri, final String id) {
Runnable r = new Runnable() {
// @Override
public void run() {
try {
System.out
.println("downloadVideoInSeparateThread() - Begin");
File theTargetDir = new File(TARGET_DIR_PATH);
if (!theTargetDir.exists()) {
throw new RuntimeException(
"Target directory doesn't exist");
}
VGet v = new VGet(new URL(iVideoUrl), theTargetDir);
System.out
.println("downloadVideoInSeparateThread() - About to start downloading");
v.getVideo().setVideoQuality(VideoQuality.p1080);
System.out.println(v.getVideo().getWeb().toString());
System.out.println(v.getVideo().getVideoQuality());
v.download();// If this hangs, make sure you are using
// vget 1.15. If you use 1.13 I know it
// hangs
System.out
.println("downloadVideoInSeparateThread() - Download successful. Updating database");
execute("start n=node({id}) WHERE n.url = {url} SET n.downloaded_video = {date}",
ImmutableMap.<String, Object> of("id",
Long.valueOf(id), "url", iVideoUrl,
"date", System.currentTimeMillis()));
System.out
.println("downloadVideoInSeparateThread() - Download recorded in database");
} catch (IOException e) {
System.out.println(e.getMessage());
//e.printStackTrace();
//throw new RuntimeException(e);
} catch (JSONException e) {
System.out
.println("downloadVideoInSeparateThread() - ERROR recording download in database");
// Why won't the compiler let me throw this?
//e.printStackTrace();
} catch (RuntimeException e) {
System.out.println(e.getMessage());
}
catch (Exception e) {
System.out.println(e.getMessage());
//e.printStackTrace();
}
}
};
new Thread(r).start();
System.out.println("End");
}
@GET
@Path("surpassOrdinal")
@Produces("application/json")
public Response surpassOrdinal(
@QueryParam("nodeIdToChange") Integer nodeIdToChange,
@QueryParam("nodeIdToSurpass") Integer nodeIdToSurpass)
throws IOException, JSONException {
System.out.println("surpassOrdinals");
ImmutableMap.Builder<String, Object> theParams = ImmutableMap.<String, Object>builder();
theParams.put("nodeIdToChange", nodeIdToChange);
theParams.put("nodeIdToSurpass", nodeIdToSurpass);
JSONObject jsonObject = execute(
" start n=node({nodeIdToChange}),n2=node({nodeIdToSurpass}) set n.ordinal=n2.ordinal + 100 return n.ordinal,n2.ordinal",
theParams.build());
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(jsonObject.toString()).type("application/json")
.build();
}
@GET
@Path("undercutOrdinal")
@Produces("application/json")
public Response undercutOrdinal(
@QueryParam("nodeIdToChange") Integer nodeIdToChange,
@QueryParam("nodeIdToUndercut") Integer nodeIdToUndercut)
throws IOException, JSONException {
System.out.println("undercutOrdinal");
ImmutableMap.Builder<String, Object> theParams = ImmutableMap.<String, Object>builder();
theParams.put("nodeIdToChange", nodeIdToChange);
theParams.put("nodeIdToUndercut", nodeIdToUndercut);
JSONObject jsonObject = execute(
" start n=node({nodeIdToChange}),n2=node({nodeIdToUndercut}) set n.ordinal=n2.ordinal - 100 return n.ordinal,n2.ordinal",
theParams.build());
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(jsonObject.toString()).type("application/json")
.build();
}
@GET
@Path("swapOrdinals")
@Produces("application/json")
public Response swapOrdinals(@QueryParam("firstId") Integer iFirstId,
@QueryParam("secondId") Integer iSecondId) throws IOException,
JSONException {
System.out.println("swapOrdinals");
ImmutableMap.Builder<String, Object> theParams = ImmutableMap.<String, Object>builder();
theParams.put("id1", iFirstId);
theParams.put("id2", iSecondId);
JSONObject jsonObject = execute(
" start n=node({id1}),n2=node({id2}) set n.temp=n2.ordinal, n2.ordinal=n.ordinal,n.ordinal=n.temp return n.ordinal,n2.ordinal",
theParams.build());
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(jsonObject.toString()).type("application/json")
.build();
}
/**
* No existing relationships get deleted
*/
@GET
@Path("relateCategoriesToItem")
@Produces("application/json")
public Response relateCategoriesToItem(
@QueryParam("nodeId") Integer iNodeToBeTagged,
@QueryParam("newCategoryIds") String iCategoriesToBeAddedTo)
throws JSONException, IOException {
System.out.println("relateCategoriesToItem(): begin");
String decode = URLDecoder.decode(iCategoriesToBeAddedTo, "UTF-8");
System.out.println(decode);
JSONArray theCategoryIdsToBeAddedTo = new JSONArray(decode);
for (int i = 0; i < theCategoryIdsToBeAddedTo.length(); i++) {
Integer aCategoryIdToBeAddedTo = theCategoryIdsToBeAddedTo
.getInt(i);
System.out.println("relateCategoriesToItem(): "
+ aCategoryIdToBeAddedTo + " --> " + iNodeToBeTagged);
relateHelper(aCategoryIdToBeAddedTo, iNodeToBeTagged);
}
return Response.ok().header("Access-Control-Allow-Origin", "*")
.entity(new JSONObject().toString())
.type("application/json").build();
}
@GET
@Path("createAndRelate")
@Produces("application/json")
public Response createSubDirAndMoveItem(
@QueryParam("newParentName") String iNewParentName,
@QueryParam("childId") Integer iChildId,
@QueryParam("currentParentId") Integer iCurrentParentId)
throws JSONException, IOException {
Integer iNewParentId;
// TODO : Implement this
return null;
}
/**
* This MOVES a node to a new subcategory. It deletes the relationship
* with the existing parent
*/
@GET
@Path("relate")
@Produces("application/json")
public Response relate(@QueryParam("parentId") Integer iNewParentId,
@QueryParam("childId") Integer iChildId,
@QueryParam("currentParentId") Integer iCurrentParentId)
throws JSONException, IOException {
System.out.println("relate() Moving " + iChildId + " from " + iCurrentParentId + " to " + iNewParentId);
// first delete any existing contains relationship with the