1 /*
2 * ObjectLab, http://www.objectlab.co.uk/open is supporting FlatPack.
3 *
4 * Based in London, we are world leaders in the design and development
5 * of bespoke applications for the securities financing markets.
6 *
7 * <a href="http://www.objectlab.co.uk/open">Click here to learn more</a>
8 * ___ _ _ _ _ _
9 * / _ \| |__ (_) ___ ___| |_| | __ _| |__
10 * | | | | '_ \| |/ _ \/ __| __| | / _` | '_ \
11 * | |_| | |_) | | __/ (__| |_| |__| (_| | |_) |
12 * \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
13 * |__/
14 *
15 * www.ObjectLab.co.uk
16 *
17 * $Id: ColorProvider.java 74 2006-10-24 22:19:05Z benoitx $
18 *
19 * Copyright 2006 the original author or authors.
20 *
21 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
22 * use this file except in compliance with the License. You may obtain a copy of
23 * the License at
24 *
25 * http://www.apache.org/licenses/LICENSE-2.0
26 *
27 * Unless required by applicable law or agreed to in writing, software
28 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
29 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
30 * License for the specific language governing permissions and limitations under
31 * the License.
32 */
33 package net.sf.flatpack;
34
35 import java.io.File;
36 import java.io.FileReader;
37 import java.io.InputStream;
38 import java.io.InputStreamReader;
39 import java.io.Reader;
40
41 import net.sf.flatpack.xml.MapParser;
42
43 /**
44 * @author xhensevb
45 * @author zepernick
46 *
47 */
48 public class FixedLengthParser extends AbstractFixedLengthParser {
49 private InputStream pzmapXMLStream;
50
51 private File pzmapXML;
52
53 private Reader pzmapReader;
54
55 // this InputStream and file can be removed after support for
56 // file and inputstream is removed from the parserfactory. The
57 // methods have been deprecated..pz
58 private InputStream dataSourceStream = null;
59
60 private File dataSource = null;
61
62 public FixedLengthParser(final InputStream pzmapXMLStream, final InputStream dataSourceStream) {
63 super(null);
64 this.pzmapXMLStream = pzmapXMLStream;
65 this.dataSourceStream = dataSourceStream;
66 }
67
68 public FixedLengthParser(final File pzmapXML, final File dataSource) {
69 super(null);
70 this.pzmapXML = pzmapXML;
71 this.dataSource = dataSource;
72 }
73
74 public FixedLengthParser(final Reader pzmapReader, final Reader dataSourceReader) {
75 super(dataSourceReader);
76 this.pzmapReader = pzmapReader;
77 }
78
79 protected FixedLengthParser(final Reader dataSourceReader, final String dataDefinition) {
80 super(dataSourceReader, dataDefinition);
81 }
82
83 @Override
84 protected void init() {
85 try {
86 // check to see if the user is using a File or InputStream. This is
87 // here for backwards compatability
88 initStreamOrSource(dataSourceStream, dataSource);
89
90 boolean closeMapReader = false;
91 if (pzmapXML != null) {
92 this.pzmapReader = new FileReader(pzmapXML);
93 closeMapReader = true;
94 } else if (pzmapXMLStream != null) {
95 this.pzmapReader = new InputStreamReader(pzmapXMLStream);
96 closeMapReader = true;
97 }
98
99 try {
100 setPzMetaData(MapParser.parseMap(this.pzmapReader, this));
101 } finally {
102 if (closeMapReader) {
103 // only close the reader if it is one we created
104 // otherwise we will let the user handle it
105 this.pzmapReader.close();
106 }
107 }
108 } catch (final Exception e) {
109 throw new InitialisationException(e);
110 }
111 }
112 }