1 /* 
2  * Copyright 2005 Paul Hinds
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package org.tp23.antinstaller.renderer.text;
17
18import java.io.BufferedReader;
19import java.io.IOException;
20import java.io.PrintStream;
21
22import org.tp23.antinstaller.InstallException;
23import org.tp23.antinstaller.InstallerContext;
24import org.tp23.antinstaller.input.OutputField;
25
26
27
28/**
29 *
30 * <p>Renders text OutputFields, TextOutputFieldRenderer should provide a no args constructor. </p>
31 * <p>The package name for TextOutputFieldRenderer is critical</p>
32 * BufferedInputStream is used for input to prevent new Buffered reader swallowing more input from the
33 * input stream than is strictly required
34 * <p>Copyright: Copyright (c) 2004</p>
35 * <p>Company: tp23</p>
36 * @author Paul Hinds
37 * @version $Id: TextOutputFieldRenderer.java,v 1.4 2006/12/21 00:03:01 teknopaul Exp $
38 */
39public interface TextOutputFieldRenderer {
40    public void setContext(InstallerContext ctx);
41
42    public void renderOutput(OutputField field, BufferedReader reader, PrintStream out) throws InstallException, IOException;
43    /**
44     * Called when validation fails
45     * @param field InputField
46     * @param in InputStream
47     * @param out PrintStream
48     * @throws IOException
49     */
50    public void renderError(OutputField field, BufferedReader reader, PrintStream out) throws IOException;
51    /** fields have abort for text since each field has its own input line*/
52    public boolean isAbort();
53}
54