Home

Contribute

Source code


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157

/*
 * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Erdal Karaca - initial API and implementation
 */
package org.eclipse.emf.cdo.server.hibernate.internal.teneo.bundle;

import org.eclipse.emf.cdo.server.internal.hibernate.HibernateStore;
import org.eclipse.emf.cdo.spi.server.InternalRepository;
import org.eclipse.emf.cdo.spi.server.RepositoryFactory;

import org.eclipse.net4j.util.container.IPluginContainer;
import org.eclipse.net4j.util.io.IOUtil;

import org.eclipse.osgi.framework.console.CommandInterpreter;
import org.eclipse.osgi.framework.console.CommandProvider;

import org.osgi.framework.BundleContext;

import java.io.FileOutputStream;
import java.io.OutputStream;

/**
 * Provides a command to export the hbm file directly from the osgi prompt.
 * 
 * See:
 * 
 * https://bugs.eclipse.org/bugs/show_bug.cgi?id=378797
 * 
 * Exports the hbm through the following osgi command:
 * hibernate mapping repo1 /tmp/hbm.xml
 * 
 * @author Erdal Karaca
 */
public class HibernateCommandProvider implements CommandProvider
{
  private static final String NEW_LINE = "\r\n"; //$NON-NLS-1$

  private static final String INDENT = "   "; //$NON-NLS-1$

  public HibernateCommandProvider(BundleContext bundleContext)
  {
    bundleContext.registerService(CommandProvider.class.getName(), this, null);
  }

  public String getHelp()
  {
    StringBuffer buffer = new StringBuffer();
    buffer.append("---CDO Hibernate commands---" + NEW_LINE);
    buffer.append(INDENT + "hibernate mapping - export generated hibernate file" + NEW_LINE);
    return buffer.toString();
  }

  public Object _hibernate(CommandInterpreter interpreter)
  {
    try
    {
      String cmd = interpreter.nextArgument();
      if ("mapping".equals(cmd))
      {
        exportHbm(interpreter);
        return null;
      }

      interpreter.println(getHelp());
    }
    catch (CommandException ex)
    {
      interpreter.println(ex.getMessage());
    }
    catch (Exception ex)
    {
      interpreter.printStackTrace(ex);
    }

    return null;
  }

  private void exportHbm(CommandInterpreter interpreter) throws Exception
  {
    String syntax = "Syntax: hibernate mapping <repository-name> <export-file>";
    InternalRepository repository = getRepository(interpreter, syntax);
    String exportFile = nextArgument(interpreter, syntax);
    final HibernateStore store = (HibernateStore)repository.getStore();
    OutputStream out = null;

    try
    {
      out = new FileOutputStream(exportFile);
      final String mapping = store.getMappingXml();
      out.write(mapping.getBytes());
      interpreter.println("Hibernate mapping exported");
    }
    finally
    {
      IOUtil.close(out);
    }
  }

  private String nextArgument(CommandInterpreter interpreter, String syntax)
  {
    String argument = interpreter.nextArgument();
    if (argument == null && syntax != null)
    {
      throw new CommandException(syntax);
    }

    return argument;
  }

  private InternalRepository getRepository(CommandInterpreter interpreter, String syntax)
  {
    String repositoryName = nextArgument(interpreter, syntax);
    InternalRepository repository = getRepository(repositoryName);
    if (repository == null)
    {
      throw new CommandException("Repository not found: " + repositoryName);
    }

    return repository;
  }

  private InternalRepository getRepository(String name)
  {
    for (Object element : IPluginContainer.INSTANCE.getElements(RepositoryFactory.PRODUCT_GROUP))
    {
      if (element instanceof InternalRepository)
      {
        InternalRepository repository = (InternalRepository)element;
        if (repository.getName().equals(name))
        {
          return repository;
        }
      }
    }

    return null;
  }

  /**
   * @author Eike Stepper
   */
  private static final class CommandException extends RuntimeException
  {
    private static final long serialVersionUID = 1L;

    public CommandException(String message)
    {
      super(message);
    }
  }
}