1 | /* |
2 | * jDTAUS Banking RI Bankleitzahlenverzeichnis |
3 | * Copyright (C) 2005 Christian Schulte |
4 | * <cs@schulte.it> |
5 | * |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2.1 of the License, or any later version. |
10 | * |
11 | * This library is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General Public |
17 | * License along with this library; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
19 | * |
20 | */ |
21 | package org.jdtaus.banking.ri.blzdirectory; |
22 | |
23 | import java.io.IOException; |
24 | import java.text.NumberFormat; |
25 | import java.text.ParseException; |
26 | import java.text.SimpleDateFormat; |
27 | import java.util.Date; |
28 | import java.util.Properties; |
29 | import org.jdtaus.banking.util.BankleitzahlenDatei; |
30 | |
31 | /** |
32 | * {@code BankfileProvider} implementation backed by a properties file. |
33 | * |
34 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
35 | * @version $JDTAUS: AbstractPropertiesBankfileProvider.java 8861 2014-01-10 17:09:50Z schulte $ |
36 | * |
37 | * @see BankfileBankleitzahlenVerzeichnis |
38 | */ |
39 | public abstract class AbstractPropertiesBankfileProvider implements BankfileProvider |
40 | { |
41 | |
42 | /** Key of the bankfileCount property. */ |
43 | private static final String BANKFILE_COUNT_PROPERTY = "BankleitzahlenVerzeichnis.bankfileCount"; |
44 | |
45 | /** Prefix of bank file properties. */ |
46 | private static final String BANKFILE_PREFIX = "BankleitzahlenDatei."; |
47 | |
48 | /** Properties backing the instance. */ |
49 | private Properties properties; |
50 | |
51 | /** Creates a new {@code AbstractPropertiesBankfileProvider} instance. */ |
52 | public AbstractPropertiesBankfileProvider() |
53 | { |
54 | super(); |
55 | } |
56 | |
57 | public long getLastModifiedMillis() throws IOException |
58 | { |
59 | return 0L; |
60 | } |
61 | |
62 | public final int getBankfileCount() throws IOException |
63 | { |
64 | try |
65 | { |
66 | final String value = this.getProperties().getProperty( BANKFILE_COUNT_PROPERTY, Integer.toString( 0 ) ); |
67 | return NumberFormat.getIntegerInstance().parse( value ).intValue(); |
68 | } |
69 | catch ( final ParseException e ) |
70 | { |
71 | throw (IOException) new IOException( e.getMessage() ).initCause( e ); |
72 | } |
73 | } |
74 | |
75 | /** |
76 | * Gets a bankfile resource location. |
77 | * |
78 | * @param index The index of the bankfile resource location to get. |
79 | * |
80 | * @return The bankfile resource location at {@code index}. |
81 | * |
82 | * @throws IndexOutOfBoundsException if {@code index} is negative or greater or equal to the value returned by |
83 | * method {@code getBankfileCount()}. |
84 | * @throws IOException if getting the bankfile resource location fails. |
85 | */ |
86 | public String getBankfileLocation( final int index ) throws IOException |
87 | { |
88 | if ( index < 0 || index >= this.getBankfileCount() ) |
89 | { |
90 | throw new IndexOutOfBoundsException( Integer.toString( index ) ); |
91 | } |
92 | |
93 | final String propertyKey = BANKFILE_PREFIX + index + ".location"; |
94 | final String location = this.getProperties().getProperty( propertyKey ); |
95 | assert location != null : "Property '" + propertyKey + "' not found."; |
96 | return location; |
97 | } |
98 | |
99 | public final Date getDateOfValidity( final int index ) throws IOException |
100 | { |
101 | if ( index < 0 || index >= this.getBankfileCount() ) |
102 | { |
103 | throw new IndexOutOfBoundsException( Integer.toString( index ) ); |
104 | } |
105 | |
106 | try |
107 | { |
108 | final String propertyKey = BANKFILE_PREFIX + index + ".dateOfValidity"; |
109 | final String value = this.getProperties().getProperty( propertyKey ); |
110 | assert value != null : "Property '" + propertyKey + "' not found."; |
111 | return new SimpleDateFormat( "yyyyMMdd" ).parse( value ); |
112 | } |
113 | catch ( final ParseException e ) |
114 | { |
115 | throw (IOException) new IOException( e.getMessage() ).initCause( e ); |
116 | } |
117 | } |
118 | |
119 | public final Date getDateOfExpiration( final int index ) throws IOException |
120 | { |
121 | if ( index < 0 || index >= this.getBankfileCount() ) |
122 | { |
123 | throw new IndexOutOfBoundsException( Integer.toString( index ) ); |
124 | } |
125 | |
126 | try |
127 | { |
128 | final String propertyKey = BANKFILE_PREFIX + index + ".dateOfExpiration"; |
129 | final String value = this.getProperties().getProperty( propertyKey ); |
130 | assert value != null : "Property '" + propertyKey + "' not found."; |
131 | return new SimpleDateFormat( "yyyyMMdd" ).parse( value ); |
132 | } |
133 | catch ( final ParseException e ) |
134 | { |
135 | throw (IOException) new IOException( e.getMessage() ).initCause( e ); |
136 | } |
137 | } |
138 | |
139 | public final int getFormat( final int index ) throws IOException |
140 | { |
141 | if ( index < 0 || index >= this.getBankfileCount() ) |
142 | { |
143 | throw new IndexOutOfBoundsException( Integer.toString( index ) ); |
144 | } |
145 | |
146 | final String value = |
147 | this.getProperties().getProperty( BANKFILE_PREFIX + index + ".format" ); |
148 | |
149 | return value == null |
150 | ? BankleitzahlenDatei.JUNE_2006_FORMAT |
151 | : Integer.parseInt( value ); |
152 | |
153 | } |
154 | |
155 | /** |
156 | * Gets the properties of the instance. |
157 | * |
158 | * @return The properties of the instance. |
159 | * |
160 | * @throws IOException if getting the properties fails. |
161 | */ |
162 | public Properties getProperties() throws IOException |
163 | { |
164 | if ( this.properties == null ) |
165 | { |
166 | this.properties = new Properties(); |
167 | } |
168 | |
169 | return this.properties; |
170 | } |
171 | |
172 | /** |
173 | * Sets the properties of the instance. |
174 | * |
175 | * @param value The new properties of the instance or {@code null}. |
176 | */ |
177 | public void setProperties( final Properties value ) |
178 | { |
179 | this.properties = value; |
180 | } |
181 | |
182 | } |