source: release-kits/lirk3/bin/ant-installer/src/org/tp23/antinstaller/runtime/exe/InputStreamLoadConfigFilter.java@ 14982

/* 
 * Copyright 2005 Paul Hinds
 *
 * Licensed 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.tp23.antinstaller.runtime.exe;

import java.io.IOException;
import java.io.InputStream;

import org.tp23.antinstaller.InstallException;
import org.tp23.antinstaller.InstallerContext;
import org.tp23.antinstaller.runtime.ConfigurationException;


/**
 * @author Paul Hinds
 * @version $Id: InputStreamLoadConfigFilter.java,v 1.4 2007/01/28 08:44:39 teknopaul Exp $
 */
public class InputStreamLoadConfigFilter extends LoadConfigFilter {

    public void exec(InstallerContext ctx) throws InstallException {
        this.ctx = ctx;

        try {
            InputStream config = this.getClass().getResourceAsStream("/" + ctx.getInstallerConfigFile());
            if(config == null){ // passed in incorrectly on the command line or bad installer
                throw new IOException();
            }
            readConfig(ctx.getFileRoot(), config);
            ctx.setInstaller(installer);
            ctx.log("Config loaded");
        }
        catch (IOException e) {
            throw new InstallException("Not able to load and read the AntInstaller config",e);
        }
        catch (ConfigurationException e) {
            throw new InstallException("Not able to load and read the AntInstaller config",e);
        }
    }
}