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src/subversion/subversion/bindings/javahl/native/Revision.cpp  view on Meta::CPAN

/**
 * @copyright
 * ====================================================================
 *    Licensed to the Apache Software Foundation (ASF) under one
 *    or more contributor license agreements.  See the NOTICE file
 *    distributed with this work for additional information
 *    regarding copyright ownership.  The ASF licenses this file
 *    to you under the Apache License, Version 2.0 (the
 *    "License"); you may not use this file except in compliance
 *    with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing,
 *    software distributed under the License is distributed on an
 *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *    KIND, either express or implied.  See the License for the
 *    specific language governing permissions and limitations
 *    under the License.
 * ====================================================================
 * @endcopyright
 *
 * @file Revision.cpp
 * @brief Implementation of the class Revision
 */

#include "Revision.h"
#include "JNIUtil.h"
#include "EnumMapper.h"

const svn_opt_revision_kind Revision::START = svn_opt_revision_unspecified;
const svn_opt_revision_kind Revision::HEAD = svn_opt_revision_head;

Revision::Revision(const svn_opt_revision_kind kind)
{
  m_revision.kind = kind;
  m_revision.value.number = 0;
}

Revision::Revision(jobject jthis, bool headIfUnspecified,
                   bool oneIfUnspecified)
{
  if (jthis == NULL)
    {
      m_revision.kind = svn_opt_revision_unspecified;
      m_revision.value.number = 0;
    }
  else
    {
      JNIEnv *env = JNIUtil::getEnv();

      // Create a local frame for our references
      env->PushLocalFrame(LOCAL_FRAME_SIZE);
      if (JNIUtil::isJavaExceptionThrown())
        return;

      static jfieldID fid = 0;
      if (fid == 0)
        {
          jclass clazz = env->FindClass(JAVA_PACKAGE"/types/Revision");
          if (JNIUtil::isJavaExceptionThrown())
            POP_AND_RETURN_NOTHING();

          fid = env->GetFieldID(clazz, "revKind",
                                "L"JAVA_PACKAGE"/types/Revision$Kind;");
          if (JNIUtil::isJavaExceptionThrown())
            POP_AND_RETURN_NOTHING();
        }
      jobject jKind = env->GetObjectField(jthis, fid);
      if (JNIUtil::isJavaExceptionThrown())
        POP_AND_RETURN_NOTHING();

      m_revision.value.number = 0;
      m_revision.kind = EnumMapper::toRevisionKind(jKind);

      switch(m_revision.kind)
        {
        case svn_opt_revision_number:
          {
            static jfieldID fidNum = 0;
            if (fidNum == 0)
              {
                jclass clazz =
                  env->FindClass(JAVA_PACKAGE"/types/Revision$Number");
                if (JNIUtil::isJavaExceptionThrown())
                  POP_AND_RETURN_NOTHING();

                fidNum = env->GetFieldID(clazz, "revNumber", "J");
                if (JNIUtil::isJavaExceptionThrown())
                  POP_AND_RETURN_NOTHING();
              }
            jlong jNumber = env->GetLongField(jthis, fidNum);
            m_revision.value.number = (svn_revnum_t) jNumber;
          }
          break;
        case svn_opt_revision_date:
          {
            static jfieldID fidDate = 0;
            if (fidDate == 0)
              {
                jclass clazz =
                  env->FindClass(JAVA_PACKAGE"/types/Revision$DateSpec");
                if (JNIUtil::isJavaExceptionThrown())
                  POP_AND_RETURN_NOTHING();

                fidDate = env->GetFieldID(clazz, "revDate",
                                          "Ljava/util/Date;");
                if (JNIUtil::isJavaExceptionThrown())
                  POP_AND_RETURN_NOTHING();
              }
            jobject jDate = env->GetObjectField(jthis, fidDate);
            if (JNIUtil::isJavaExceptionThrown())