content: /*
   * 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.
   */
  package org.apache.chemistry.opencmis.commons.impl;
  
  public class JSONConstraints {
  
      public static final int MAX_OBJECT_SIZE;
      public static final int MAX_ARRAY_SIZE;
      public static final int MAX_DEPTH;
  
      public static final int MAX_OBJECT_SIZE_DEFAULT = 1000000;
      public static final int MAX_ARRAY_SIZE_DEFAULT = 1000000;
      public static final int MAX_DEPTH_DEFAULT = 200;
  
      public static final String MAX_OBJECT_SIZE_SYSTEM_PROPERTY = "org.apache.chemistry.opencmis.JSONConstraints.maxObjectSize";
      public static final String MAX_ARRAY_SIZE_SYSTEM_PROPERTY = "org.apache.chemistry.opencmis.JSONConstraints.maxArraySize";
      public static final String MAX_DEPTH_SYSTEM_PROPERTY = "org.apache.chemistry.opencmis.JSONConstraints.maxDepth";
  
      static {
          int maxObjectSize = MAX_OBJECT_SIZE_DEFAULT;
          try {
              String maxObjectSizeStr = System.getProperty(MAX_OBJECT_SIZE_SYSTEM_PROPERTY);
              if (maxObjectSizeStr != null) {
                  maxObjectSize = Integer.parseInt(maxObjectSizeStr);
  
                  // check for sane values
                  if (maxObjectSize < 100) {
                      maxObjectSize = MAX_OBJECT_SIZE_DEFAULT;
                  }
              }
          } catch (NumberFormatException e) {
              // ignore
          }
          MAX_OBJECT_SIZE = maxObjectSize;
  
          int maxArraySize = MAX_ARRAY_SIZE_DEFAULT;
          try {
              String maxArraySizeStr = System.getProperty(MAX_ARRAY_SIZE_SYSTEM_PROPERTY);
              if (maxArraySizeStr != null) {
                  maxArraySize = Integer.parseInt(maxArraySizeStr);
  
                  // check for sane values
                  if (maxArraySize < 1000) {
                      maxArraySize = MAX_ARRAY_SIZE_DEFAULT;
                  }
              }
          } catch (NumberFormatException e) {
              // ignore
          }
          MAX_ARRAY_SIZE = maxArraySize;
  
          int maxDepth = MAX_DEPTH_DEFAULT;
          try {
              String maxDepthStr = System.getProperty(MAX_DEPTH_SYSTEM_PROPERTY);
              if (maxDepthStr != null) {
                  maxDepth = Integer.parseInt(maxDepthStr);
  
                  // check for sane values
                  if (maxDepth < 10) {
                      maxDepth = MAX_DEPTH_DEFAULT;
                  }
              }
          } catch (NumberFormatException e) {
              // ignore
          }
          MAX_DEPTH = maxDepth;
      }
  
      private JSONConstraints() {
      }
  }
  