# CustomRegexMatchReplaceIgnoreAutoPrimitiveTarget.java

    /*
     * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
     *
     * 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 org.apache.synapse.commons.staxon.core.json.stream.util;

    import org.apache.synapse.commons.staxon.core.json.stream.JsonStreamTarget;

    import java.io.IOException;
    import java.math.BigDecimal;
    import java.util.regex.Pattern;

    public class CustomRegexMatchReplaceIgnoreAutoPrimitiveTarget extends StreamTargetDelegate {
      private final Pattern number = Pattern.compile("^-?(0|[1-9][0-9]*)(\\.[0-9]+)?([eE][+-]?[0-9]+)?$");
      private final boolean convertAttributes;
      private final Pattern customReplaceRegex;
      private final String customReplaceSequence;
      private String lastName;

      public CustomRegexMatchReplaceIgnoreAutoPrimitiveTarget(JsonStreamTarget delegate, boolean convertAttributes,
                                                              String customReplaceRegex, String customReplaceSequence) {
        super(delegate);
        this.convertAttributes = convertAttributes;
        this.customReplaceRegex = Pattern.compile(customReplaceRegex);
        this.customReplaceSequence = customReplaceSequence;
      }

      @Override
      public void name(String name) throws IOException {
        lastName = name;
        super.name(name);
      }

      @Override
      public void value(Object value) throws IOException {
        if (value instanceof String && (convertAttributes || !lastName.startsWith("@"))) {
          if (customReplaceRegex != null && customReplaceRegex.matcher(value.toString()).lookingAt()) {
            super.value(customReplaceRegex.matcher(value.toString()).replaceFirst(customReplaceSequence));
          } else if ("true".equals(value)) {
            super.value(Boolean.TRUE);
          } else if ("false".equals(value)) {
            super.value(Boolean.FALSE);
          } else if ("null".equals(value)) {
            super.value(null);
          } else if (number.matcher(value.toString()).matches()) {
            super.value(new BigDecimal(value.toString()));
          } else {
            super.value(value);
          }
        } else {
          super.value(value);
        }
      }
    }