GetServlet.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.servlet.ServletException
* org.apache.sling.api.SlingHttpServletRequest
* org.apache.sling.api.SlingHttpServletResponse
* org.apache.sling.api.resource.ResourceResolver
* org.apache.sling.api.servlets.SlingSafeMethodsServlet
* org.apache.sling.commons.json.JSONException
* org.apache.sling.commons.json.io.JSONWriter
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.adobe.granite.socialgraph.impl.rest;
import com.adobe.granite.socialgraph.Direction;
import com.adobe.granite.socialgraph.GraphNode;
import com.adobe.granite.socialgraph.Relationship;
import com.adobe.granite.socialgraph.SocialGraph;
import com.adobe.granite.socialgraph.impl.rest.RequestInfo;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import javax.servlet.ServletException;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.servlets.SlingSafeMethodsServlet;
import org.apache.sling.commons.json.JSONException;
import org.apache.sling.commons.json.io.JSONWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/*
* This class specifies class file version 49.0 but uses Java 6 signatures. Assumed Java 6.
*/
public class GetServlet
extends SlingSafeMethodsServlet {
private static final Logger log = LoggerFactory.getLogger(GetServlet.class);
private static final String REQUEST_PARAM_INVERSE = "inverse";
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
SocialGraph graph = (SocialGraph)request.getResourceResolver().adaptTo(SocialGraph.class);
if (graph == null) {
response.sendError(500, "Social graph not available.");
return;
}
RequestInfo info = new RequestInfo(request);
if (info.getId() == null) {
this.sendUsage(request, response);
return;
}
if (!"json".equals(info.getExtension())) {
// empty if block
}
response.setContentType("application/json");
JSONWriter w = new JSONWriter((Writer)response.getWriter());
GraphNode node = graph.getNode(info.getId());
if (node == null) {
log.warn("No social graph node for user {}", (Object)info.getId());
response.sendError(404);
return;
}
if (info.getListType() == null) {
try {
this.writeGraphNode(w, node);
return;
}
catch (JSONException e) {
IOException io = new IOException("Error while writing graph node.");
io.initCause((Throwable)e);
throw io;
}
}
if (!"relationships".equals(info.getListType())) {
log.warn("Only 'relationships' collection supported", (Object)info.getListType());
response.sendError(404);
return;
}
if (info.getRelationshipType() == null) {
try {
Direction dir = "true".equals(request.getParameter("inverse")) ? Direction.INCOMING : Direction.OUTGOING;
this.writeRelationships(w, node, dir);
return;
}
catch (JSONException e) {
IOException io = new IOException("Error while writing relationships.");
io.initCause((Throwable)e);
throw io;
}
}
if (info.getOtherId() == null) {
try {
Direction dir = "true".equals(request.getParameter("inverse")) ? Direction.INCOMING : Direction.OUTGOING;
this.writeRelationships(w, node, dir, info.getRelationshipType());
return;
}
catch (JSONException e) {
IOException io = new IOException("Error while writing relationships.");
io.initCause((Throwable)e);
throw io;
}
}
if (info.getSegments().length == 4) {
GraphNode other = graph.getNode(info.getOtherId());
if (other == null) {
response.sendError(404);
return;
}
Relationship r = node.getRelationship(Direction.OUTGOING, other, info.getRelationshipType());
if (r == null) {
response.sendError(404);
return;
}
try {
this.writeRelationship(w, r);
return;
}
catch (JSONException e) {
IOException io = new IOException("Error while writing relationship.");
io.initCause((Throwable)e);
throw io;
}
}
response.sendError(404);
}
private void writeRelationship(JSONWriter w, Relationship r) throws JSONException, IOException {
w.object();
this.dumpMap(w, r);
w.key("isBidirectional").value(r.isBidirectional());
if (r.isVirtual()) {
w.key("isVirtual").value(true);
}
w.endObject();
}
private void writeRelationships(JSONWriter w, GraphNode node, Direction dir) throws IOException, JSONException {
HashMap<String, HashMap<String, Relationship>> map = new HashMap<String, HashMap<String, Relationship>>();
for (Relationship r : node.getRelationships(dir, new String[0])) {
GraphNode other = r.getOtherNode(node);
if (other == null) continue;
HashMap<String, Relationship> rels = (HashMap<String, Relationship>)map.get(r.getType());
if (rels == null) {
rels = new HashMap<String, Relationship>();
map.put(r.getType(), rels);
}
rels.put(other.getId(), r);
}
w.object();
for (String type : map.keySet()) {
w.key(type).object();
Map rels = (Map)map.get(type);
for (String userid : rels.keySet()) {
w.key(userid);
this.writeRelationship(w, (Relationship)rels.get(userid));
}
w.endObject();
}
w.endObject();
}
private void writeRelationships(JSONWriter w, GraphNode node, Direction dir, String type) throws IOException, JSONException {
w.object();
for (Relationship r : node.getRelationships(dir, type)) {
GraphNode other = r.getOtherNode(node);
if (other == null) continue;
w.key(other.getId());
this.writeRelationship(w, r);
}
w.endObject();
}
private void writeGraphNode(JSONWriter w, GraphNode node) throws IOException, JSONException {
w.object();
w.key("id").value((Object)node.getId());
if (node.isVirtual()) {
w.key("isVirtual").value(true);
}
this.dumpMap(w, node);
w.endObject();
}
private void dumpMap(JSONWriter w, Map<String, Object> map) throws JSONException {
for (Map.Entry<String, Object> e : map.entrySet()) {
String name = e.getKey();
if ("jcr:primaryType".equals(name)) continue;
w.key(name);
this.dumpValue(w, e.getValue());
}
}
private void sendUsage(SlingHttpServletRequest request, SlingHttpServletResponse response) throws IOException {
PrintWriter w = new PrintWriter(response.getWriter());
w.println("<html><head><title>Social Graph</title></head><body>");
w.println("<h1>Social Graph Servlet - Usage</h1>");
w.println("Format: <code>/bin/granite/social.graph/{id}/relationships/{type}/{endid}</code>");
w.println("</body></html>");
w.flush();
}
private void dumpValue(JSONWriter w, Object v) throws JSONException {
if (v instanceof Calendar) {
v = ((Calendar)v).getTimeInMillis();
}
w.value(v);
}
}