/*
* 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.pig.tools.grunt;
import java.io.File;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.io.IOException;
import java.io.FileOutputStream;
import jline.ConsoleReader;
import jline.Completor;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.pig.PigServer;
import org.apache.pig.impl.PigContext;
import org.apache.pig.tools.grunt.GruntParser;
import org.apache.pig.tools.grunt.PigCompletor;
import org.apache.pig.tools.grunt.PigCompletorAliases;
import org.apache.pig.PigException;
import org.apache.pig.backend.executionengine.ExecException;
import org.apache.pig.tools.pigscript.parser.*;
import org.apache.pig.impl.logicalLayer.parser.TokenMgrError;
import org.apache.pig.impl.util.LogUtils;
public class Grunt
{
private final Log log = LogFactory.getLog(getClass());
BufferedReader in;
PigServer pig;
GruntParser parser;
public Grunt(BufferedReader in, PigContext pigContext) throws ExecException
{
this.in = in;
this.pig = new PigServer(pigContext);
if (in != null)
{
parser = new GruntParser(in);
parser.setParams(pig);
}
}
public void setConsoleReader(ConsoleReader c)
{
c.addCompletor(new PigCompletorAliases(pig));
c.addCompletor(new PigCompletor());
parser.setConsoleReader(c);
}
public void run() {
boolean verbose = "true".equalsIgnoreCase(pig.getPigContext().getProperties().getProperty("verbose"));
while(true) {
try {
parser.setInteractive(true);
parser.parseStopOnError();
break;
} catch(Throwable t) {
LogUtils.writeLog(t, pig.getPigContext().getProperties().getProperty("pig.logfile"), log, verbose);
parser.ReInit(in);
}
}
}
public int[] exec() throws Throwable {
boolean verbose = "true".equalsIgnoreCase(pig.getPigContext().getProperties().getProperty("verbose"));
try {
parser.setInteractive(false);
return parser.parseStopOnError();
} catch (Throwable t) {
LogUtils.writeLog(t, pig.getPigContext().getProperties().getProperty("pig.logfile"), log, verbose);
throw (t);
}
}
}