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1   /**
2    * Copyright (c) 2002-2011 "Neo Technology,"
3    * Network Engine for Objects in Lund AB [http://neotechnology.com]
4    *
5    * This file is part of Neo4j.
6    *
7    * Neo4j is free software: you can redistribute it and/or modify
8    * it under the terms of the GNU General Public License as published by
9    * the Free Software Foundation, either version 3 of the License, or
10   * (at your option) any later version.
11   *
12   * This program is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   * GNU General Public License for more details.
16   *
17   * You should have received a copy of the GNU General Public License
18   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19   */
20  package org.neo4j.server.rest.web;
21  
22  import javax.ws.rs.GET;
23  import javax.ws.rs.Path;
24  import javax.ws.rs.core.Context;
25  import javax.ws.rs.core.UriInfo;
26  import java.io.FileInputStream;
27  import java.io.IOException;
28  import java.io.InputStream;
29  import java.io.InputStreamReader;
30  import java.io.Reader;
31  
32  @Path("/resource")
33  public class ResourcesService {
34      final static String JAVASCRIPT_BODY;
35      static {
36          // FIXME This is so very ugly, it's because when running it with maven
37          // it won't add the src/main/resources to the classpath
38          String body = null;
39          try {
40              body = readResourceAsString("htmlbrowse.js");
41          } catch (Exception e) {
42              body = readFileAsString("src/main/resources/htmlbrowse.js");
43          }
44          JAVASCRIPT_BODY = body;
45      }
46  
47      public ResourcesService(@Context UriInfo uriInfo) {
48      }
49  
50      @GET
51      @Path("htmlbrowse.js")
52      public String getHtmlBrowseJavascript() {
53          return JAVASCRIPT_BODY;
54      }
55  
56      private static String readFileAsString(String file) {
57          try {
58              return readAsString(new FileInputStream(file));
59          } catch (IOException e) {
60              throw new RuntimeException(e);
61          }
62      }
63  
64      private static String readResourceAsString(String resource) {
65          return readAsString(ClassLoader.getSystemResourceAsStream(resource));
66      }
67  
68      private static String readAsString(InputStream input) {
69          final char[] buffer = new char[0x10000];
70          StringBuilder out = new StringBuilder();
71          Reader reader = null;
72          try {
73              reader = new InputStreamReader(input, "UTF-8" );
74              int read;
75              do {
76                  read = reader.read(buffer, 0, buffer.length);
77                  if (read > 0) {
78                      out.append(buffer, 0, read);
79                  }
80              } while (read >= 0);
81          } catch (IOException e) {
82              throw new RuntimeException(e);
83          } finally {
84              if (reader != null) {
85                  try {
86                      reader.close();
87                  } catch (IOException e) {
88                      // OK
89                  }
90              }
91          }
92          return out.toString();
93      }
94  }