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/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.jclouds.util;

import java.util.Map;

import org.xml.sax.Attributes;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMap.Builder;

/**
 * 
 * @author Adrian Cole
 */
public class SaxUtils {

   public static boolean equalsOrSuffix(String val, String expected) {
      return expected.equals(val) || val.endsWith(":" + expected);
   }

   public static Map cleanseAttributes(Attributes in) {
      Builder attrs = ImmutableMap.builder();
      for (int i = 0; i < in.getLength(); i++) {
         String name = in.getQName(i);
         if (name.indexOf(':') != -1)
            name = name.substring(name.indexOf(':') + 1);
         attrs.put(name, in.getValue(i));
      }
      return attrs.build();
   }

   public static String currentOrNull(StringBuilder currentText) {
      String returnVal = currentText.toString().trim();
      return returnVal.equals("") ? null : returnVal;
   }

}