/* $Id: PUTCommand.java 1407977 2012-11-11 13:33:09Z kwright $ */
/**
* 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.manifoldcf.scriptengine;
import org.apache.manifoldcf.core.interfaces.*;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.ContentType;
import org.apache.http.client.HttpClient;
import org.apache.http.HttpStatus;
import org.apache.http.HttpException;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.HttpResponse;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.util.EntityUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.DefaultRedirectStrategy;
import java.io.*;
/** PUT command. This performs a REST-style PUT operation, designed to work
* against the ManifoldCF API. The syntax is: PUT resultvariable = sendvariable to urlvariable*/
public class PUTCommand implements Command
{
/** Parse and execute. Parsing begins right after the command name, and should stop before the trailing semicolon.
*@param sp is the script parser to use to help in the parsing.
*@param currentStream is the current token stream.
*@return true to send a break signal, false otherwise.
*/
public boolean parseAndExecute(ScriptParser sp, TokenStream currentStream)
throws ScriptException
{
VariableReference result = sp.evaluateExpression(currentStream);
if (result == null)
sp.syntaxError(currentStream,"Missing result expression");
Token t = currentStream.peek();
if (t == null || t.getPunctuation() == null || !t.getPunctuation().equals("="))
sp.syntaxError(currentStream,"Missing '=' sign");
currentStream.skip();
VariableReference send = sp.evaluateExpression(currentStream);
if (send == null)
sp.syntaxError(currentStream,"Missing send expression");
t = currentStream.peek();
if (t == null || t.getToken() == null || !t.getToken().equals("to"))
sp.syntaxError(currentStream,"Missing 'to'");
currentStream.skip();
VariableReference url = sp.evaluateExpression(currentStream);
if (url == null)
sp.syntaxError(currentStream,"Missing URL expression");
// Perform the actual PUT.
String urlString = sp.resolveMustExist(currentStream,url).getStringValue();
Configuration configuration = sp.resolveMustExist(currentStream,send).getConfigurationValue();
try
{
String json = configuration.toJSON();
HttpClient client = sp.getHttpClient();
HttpPut method = new HttpPut(urlString);
try
{
method.setEntity(new StringEntity(json,ContentType.create("text/plain","UTF-8")));
HttpResponse httpResponse = client.execute(method);
int resultCode = httpResponse.getStatusLine().getStatusCode();
String resultJSON = sp.convertToString(httpResponse);
result.setReference(new VariableResult(resultCode,resultJSON));
return false;
}
finally
{
//method.releaseConnection();
}
}
catch (ManifoldCFException e)
{
throw new ScriptException(e.getMessage(),e);
}
catch (IOException e)
{
throw new ScriptException(e.getMessage(),e);
}
}
/** Parse and skip. Parsing begins right after the command name, and should stop before the trailing semicolon.
*@param sp is the script parser to use to help in the parsing.
*@param currentStream is the current token stream.
*/
public void parseAndSkip(ScriptParser sp, TokenStream currentStream)
throws ScriptException
{
if (sp.skipExpression(currentStream) == false)
sp.syntaxError(currentStream,"Missing result expression");
Token t = currentStream.peek();
if (t == null || t.getPunctuation() == null || !t.getPunctuation().equals("="))
sp.syntaxError(currentStream,"Missing '=' sign");
currentStream.skip();
if (sp.skipExpression(currentStream) == false)
sp.syntaxError(currentStream,"Missing send expression");
t = currentStream.peek();
if (t == null || t.getToken() == null || !t.getToken().equals("to"))
sp.syntaxError(currentStream,"Missing 'to'");
currentStream.skip();
if (sp.skipExpression(currentStream) == false)
sp.syntaxError(currentStream,"Missing URL expression");
}
}