OServerCommandPutDocument.java example

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orientdb-master
/*
 *
 *  *  Copyright 2014 Orient Technologies LTD (info(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.
 *  *
 *  * For more information: http://www.orientechnologies.com
 *
 */
package com.orientechnologies.orient.server.network.protocol.http.command.put;

import com.orientechnologies.orient.core.db.document.ODatabaseDocument;
import com.orientechnologies.orient.core.id.ORecordId;
import com.orientechnologies.orient.core.record.ORecordInternal;
import com.orientechnologies.orient.core.record.impl.ODocument;
import com.orientechnologies.orient.server.network.protocol.http.OHttpRequest;
import com.orientechnologies.orient.server.network.protocol.http.OHttpResponse;
import com.orientechnologies.orient.server.network.protocol.http.OHttpUtils;
import com.orientechnologies.orient.server.network.protocol.http.command.OServerCommandDocumentAbstract;

public class OServerCommandPutDocument extends OServerCommandDocumentAbstract {
  private static final String[] NAMES = { "PUT|document/*" };

  @Override
  public boolean execute(final OHttpRequest iRequest, OHttpResponse iResponse) throws Exception {
    final String[] urlParts = checkSyntax(iRequest.url, 2,
        "Syntax error: document/<database>[/<record-id>][?updateMode=full|partial]");

    iRequest.data.commandInfo = "Edit Document";

    ODatabaseDocument db = null;
    ORecordId recordId;
    final ODocument doc;

    try {
      db = getProfiledDatabaseInstance(iRequest);

      if (urlParts.length > 2) {
        // EXTRACT RID
        final int parametersPos = urlParts[2].indexOf('?');
        final String rid = parametersPos > -1 ? urlParts[2].substring(0, parametersPos) : urlParts[2];
        recordId = new ORecordId(rid);

        if (!recordId.isValid())
          throw new IllegalArgumentException("Invalid Record ID in request: " + recordId);
      } else
        recordId = new ORecordId();

      // UNMARSHALL DOCUMENT WITH REQUEST CONTENT
      doc = new ODocument();
      doc.fromJSON(iRequest.content).setTrackingChanges(false);

      if (iRequest.ifMatch != null)
        // USE THE IF-MATCH HTTP HEADER AS VERSION
        ORecordInternal.setVersion(doc, Integer.parseInt(iRequest.ifMatch));

      if (!recordId.isValid())
        recordId = (ORecordId) doc.getIdentity();

      if (!recordId.isValid())
        throw new IllegalArgumentException("Invalid Record ID in request: " + recordId);

      final ODocument currentDocument = db.load(recordId);

      if (currentDocument == null) {
        iResponse.send(OHttpUtils.STATUS_NOTFOUND_CODE, OHttpUtils.STATUS_NOTFOUND_DESCRIPTION, OHttpUtils.CONTENT_TEXT_PLAIN,
            "Record " + recordId + " was not found.", null);
        return false;
      }

      boolean partialUpdateMode = false;
      String mode = iRequest.getParameter("updateMode");
      if (mode != null && mode.equalsIgnoreCase("partial"))
        partialUpdateMode = true;

      mode = iRequest.getHeader("updateMode");
      if (mode != null && mode.equalsIgnoreCase("partial"))
        partialUpdateMode = true;

      currentDocument.merge(doc, partialUpdateMode, false);
      if (currentDocument.isDirty()) {
        if (doc.getVersion() > 0)
          // OVERWRITE THE VERSION
          ORecordInternal.setVersion(currentDocument, doc.getVersion());

        currentDocument.save();
      }

      iResponse.send(OHttpUtils.STATUS_OK_CODE, OHttpUtils.STATUS_OK_DESCRIPTION, OHttpUtils.CONTENT_JSON, currentDocument.toJSON(),
          OHttpUtils.HEADER_ETAG + currentDocument.getVersion());

    } finally {
      if (db != null)
        db.close();
    }
    return false;
  }

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