com.googlecode.jsfFlex.shared.tasks.AbstractFileManipulatorTaskRunner.java Source code

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Here is the source code for com.googlecode.jsfFlex.shared.tasks.AbstractFileManipulatorTaskRunner.java

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/*
 * 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 com.googlecode.jsfFlex.shared.tasks;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.googlecode.jsfFlex.shared.beans.templates.TokenValue;
import com.googlecode.jsfFlex.shared.exception.ComponentBuildException;

/**
 * @author Ji Hoon Kim
 */
public abstract class AbstractFileManipulatorTaskRunner extends TaskRunnerImpl {

    private final static Log _log = LogFactory.getLog(AbstractFileManipulatorTaskRunner.class);

    public abstract void createFileContent(String filePath, String templateFile, Properties initProperties,
            Map<String, ? extends Object> tokenMap);

    public abstract void createPreMxmlFile(String preMxmlFilePath, Properties initProperties,
            Set<TokenValue> tokenList, String flexComponentName, String flexComponentNS, String bodyContent,
            String childIdentifier, String siblingIdentifier);

    public synchronized String getComponentTemplate(ClassLoader loader, String template) {
        StringBuilder fileContent = new StringBuilder();
        BufferedReader bufferRead = null;

        try {

            bufferRead = new BufferedReader(new InputStreamReader(loader.getResourceAsStream(template)));
            char[] charBuffer = new char[2048];
            int offSet = 0;

            while ((offSet = bufferRead.read(charBuffer, 0, 2048)) > -1) {
                fileContent.append(charBuffer, 0, offSet);
            }

        } catch (FileNotFoundException fileNotFoundExcept) {
            throw new ComponentBuildException(getErrorMessage("getComponentTemplate", template),
                    fileNotFoundExcept);
        } catch (IOException ioExcept) {
            throw new ComponentBuildException(getErrorMessage("getComponentTemplate", template), ioExcept);
        } finally {

            if (bufferRead != null) {
                try {
                    bufferRead.close();
                } catch (IOException closerException) {
                    _log.debug("Error while closing the writer within getComponentTemplate", closerException);
                }
            }

        }

        return fileContent.toString();
    }

    public synchronized String readFileContent(String fileName) {
        StringBuilder fileContent = new StringBuilder();
        BufferedReader bufferRead = null;

        try {
            bufferRead = new BufferedReader(new FileReader(new File(fileName)));

            char[] charBuffer = new char[2048];
            int offSet = 0;

            while ((offSet = bufferRead.read(charBuffer, 0, 2048)) > -1) {
                fileContent.append(charBuffer, 0, offSet);
            }

        } catch (FileNotFoundException fileNotFoundExcept) {
            throw new ComponentBuildException("Failure in finding of " + fileName, fileNotFoundExcept);
        } catch (IOException ioExcept) {
            throw new ComponentBuildException("Failure in reading of " + fileName, ioExcept);
        } finally {

            if (bufferRead != null) {
                try {
                    bufferRead.close();
                } catch (IOException closerException) {
                    _log.debug("Error while closing the writer within readFileContent", closerException);
                }
            }

        }

        return fileContent.toString();
    }

    private String getErrorMessage(String caller, String parameter) {
        StringBuilder errorMessage = new StringBuilder();
        errorMessage.append("Exception when ");
        errorMessage.append(caller);
        errorMessage.append(" with parameter(s) [ ");
        errorMessage.append(parameter);
        errorMessage.append(" ] ");
        return errorMessage.toString();
    }

}