source: other-projects/trunk/realistic-books/packages/AntInstaller/src/org/tp23/antinstaller/renderer/text/DirectoryInputRenderer.java@ 19253

/* 
 * 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.renderer.text;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ResourceBundle;

import org.tp23.antinstaller.InstallerContext;
import org.tp23.antinstaller.input.DirectoryInput;
import org.tp23.antinstaller.input.OutputField;

public class DirectoryInputRenderer implements TextOutputFieldRenderer {

    private static final ResourceBundle res = ResourceBundle.getBundle("org.tp23.antinstaller.renderer.text.Res");

    protected InstallerContext ctx;

    public DirectoryInputRenderer() {
    }

    public void setContext(InstallerContext ctx) {
        this.ctx = ctx;
    }

    public void renderOutput(OutputField field, BufferedReader reader, PrintStream out) throws IOException {
        DirectoryInput iField = (DirectoryInput) field;
        out.print(iField.getDisplayText());

        out.print("   [");
        out.print(res.getString("_default_"));
        out.print(":");
        out.print(iField.getDefaultValue(true));
        out.print("]");

        out.println();
        String input = reader.readLine();
        out.println();
        if (input == null || input.equals("")) {
            input = iField.getDefaultValue(true);
            if("".equals(input)) { // if we have empty default and empty input getAbsolutePath() produces a temporary directory
                iField.setInputResult("");
            }
            else {
                iField.setInputResult(new File(input).getAbsolutePath());
            }
        }
        else {
            iField.setInputResult(new File(input).getAbsolutePath());
        }
    }

    public boolean isAbort() {
        return false;
    }

    /**
     * renderError
     * 
     * @param field
     *            InputField
     * @param in
     *            InputStream
     * @param out
     *            PrintStream
     */
    public void renderError(OutputField field, BufferedReader reader, PrintStream out) throws IOException {
        renderOutput(field, reader, out);
    }

}