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creates scripts that can be used to manage services

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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.scriptbuilder.domain;

import java.net.URI;
import java.util.Map;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.Iterables;
import com.google.common.collect.Multimap;

/**
 * saves the content of the http response to a file
 * 
 * @author Adrian Cole
 */
public class SaveHttpResponseTo extends InterpretableStatement {
   public static final String CURL = "curl -q -s -S -L --connect-timeout 10 --max-time 600 --retry 20";

   /**
    * 
    * @param dir
    *           location to save file
    * @param method
    *           http method: ex GET
    * @param endpoint
    *           uri corresponding to the request
    * @param headers
    *           request headers to send
    */
   public SaveHttpResponseTo(String dir, String file, String method, URI endpoint, Multimap headers) {
      super(String.format(
            "({md} %s && {cd} %s && [ ! -f %s ] && %s -C - -X %s %s %s >%s)\n",
            dir,
            dir,
            file,
            CURL,
            method,
            Joiner.on(' ').join(
                  Iterables.transform(headers.entries(), new Function, String>() {

                     @Override
                     public String apply(Map.Entry from) {
                        return String.format("-H \"%s: %s\"", from.getKey(), from.getValue());
                     }

                  })), endpoint.toASCIIString(), file));

   }
}