source: other-projects/trunk/realistic-books/packages/AntInstaller/src/org/tp23/antinstaller/renderer/text/TargetInputRenderer.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.IOException;
import java.io.PrintStream;
import java.util.ResourceBundle;

import org.tp23.antinstaller.InstallerContext;
import org.tp23.antinstaller.input.InputField;
import org.tp23.antinstaller.input.OutputField;
import org.tp23.antinstaller.input.TargetInput;


public class TargetInputRenderer
    implements TextOutputFieldRenderer {

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

    protected InstallerContext ctx;
    public TargetInputRenderer() {
    }

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

    public void renderOutput(OutputField field, BufferedReader reader, PrintStream out) throws IOException {
        TargetInput iField = (TargetInput) field;
        out.println("Install the following component?");
        out.print(iField.getDisplayText());

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

        if (InputField.isTrue(iField.getForce())) {
            out.print("   [");
            out.print(res.getString("_required_"));
            out.println("]");
            ctx.getCurrentPage().addTarget(iField.getIdx(), iField.getTarget());
            iField.setInputResult("true");
            out.println();
            return;
        }



        out.println();
        String input = reader.readLine();
        out.println();
        if (input == null || input.trim().equals("")){
            input = iField.getDefaultValue();
        }
        if(InputField.isTrue(input)){
            ctx.getCurrentPage().addTarget(iField.getIdx(), iField.getTarget());
            iField.setInputResult("true");
        }
        else{
            ctx.getCurrentPage().removeTarget(iField.getIdx());
            iField.setInputResult("false");
        }
        
    }

    public boolean isAbort() {
        return false;
    }



    /**
     * renderError
     *
     * @param field InputField
     * @param out PrintStream
     */
    public void renderError(OutputField field, BufferedReader reader, PrintStream out) {
    }
}