Package com.orientechnologies.orient.server.network.protocol.http.command.get

Source Code of com.orientechnologies.orient.server.network.protocol.http.command.get.OServerCommandGetIndex

/*
* Copyright 1999-2010 Luca Garulli (l.garulli--at--orientechnologies.com)
*
* Licensed 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.
*/
package com.orientechnologies.orient.server.network.protocol.http.command.get;

import java.util.Collection;

import com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.index.OIndex;
import com.orientechnologies.orient.server.db.OSharedDocumentDatabase;
import com.orientechnologies.orient.server.network.protocol.http.OHttpRequest;
import com.orientechnologies.orient.server.network.protocol.http.OHttpUtils;
import com.orientechnologies.orient.server.network.protocol.http.command.OServerCommandDocumentAbstract;

public class OServerCommandGetIndex extends OServerCommandDocumentAbstract {
  private static final String[]  NAMES  = { "GET|index/*" };

  @Override
  public boolean execute(final OHttpRequest iRequest) throws Exception {
    final String[] urlParts = checkSyntax(iRequest.url, 3, "Syntax error: index/<database>/<index-name>/<key>");

    iRequest.data.commandInfo = "Index get";

    ODatabaseDocumentTx db = null;

    try {
      db = getProfiledDatabaseInstance(iRequest);

      final OIndex index = db.getMetadata().getIndexManager().getIndex(urlParts[2]);
      if (index == null)
        throw new IllegalArgumentException("Index name '" + urlParts[2] + "' not found");

      final Collection<OIdentifiable> content = index.get(urlParts[3]);

      if (content == null || content.size() == 0)
        sendTextContent(iRequest, OHttpUtils.STATUS_NOTFOUND_CODE, OHttpUtils.STATUS_NOTFOUND_DESCRIPTION, null,
            OHttpUtils.CONTENT_TEXT_PLAIN, null);
      else {
        final StringBuilder buffer = new StringBuilder();

        buffer.append('[');
        for (OIdentifiable item : content) {
          buffer.append(item.getRecord().toJSON());
        }
        buffer.append(']');

        sendTextContent(iRequest, OHttpUtils.STATUS_OK_CODE, "OK", null, OHttpUtils.CONTENT_TEXT_PLAIN, buffer.toString());
      }
    } finally {
      if (db != null)
        OSharedDocumentDatabase.release(db);
    }
    return false;
  }

  @Override
  public String[] getNames() {
    return NAMES;
  }
}
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