| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| FieldSupport |
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| 0.0;0 | ||||
| FieldSupport$1 |
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| 0.0;0 | ||||
| FieldSupport$Overflow |
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| 0.0;0 | ||||
| FieldSupport$Overflow$1 |
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| 0.0;0 | ||||
| FieldSupport$Underflow |
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| 0.0;0 | ||||
| FieldSupport$Underflow$1 |
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| 0.0;0 |
| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
| 3 | * contributor license agreements. See the NOTICE file distributed with | |
| 4 | * this work for additional information regarding copyright ownership. | |
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| 6 | * (the "License"); you may not use this file except in compliance with | |
| 7 | * the License. You may obtain a copy of the License at | |
| 8 | * | |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 | * | |
| 11 | * Unless required by applicable law or agreed to in writing, software | |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 | * See the License for the specific language governing permissions and | |
| 15 | * limitations under the License. | |
| 16 | */ | |
| 17 | package org.apache.commons.flatfile; | |
| 18 | ||
| 19 | import java.io.IOException; | |
| 20 | import java.io.InputStream; | |
| 21 | ||
| 22 | /** | |
| 23 | * Support and basic field options. | |
| 24 | * @version $Revision: 758023 $ $Date: 2009-03-24 16:09:19 -0500 (Tue, 24 Mar 2009) $ | |
| 25 | */ | |
| 26 | 128 | public abstract class FieldSupport extends EntitySupport { |
| 27 | ||
| 28 | /** Serialization version */ | |
| 29 | private static final long serialVersionUID = -8940832296518637934L; | |
| 30 | ||
| 31 | /** | |
| 32 | * Overflow behavior enumerated type. | |
| 33 | */ | |
| 34 | 6 | public static enum Overflow implements FieldOption { |
| 35 | /** Error on overflow */ | |
| 36 | 1 | ERROR() { |
| 37 | /** | |
| 38 | * {@inheritDoc} | |
| 39 | */ | |
| 40 | 1 | protected void check(byte[] b, int len) { |
| 41 | 93 | if (b.length > len) { |
| 42 | 7 | throw new IllegalArgumentException(new String(b) + " too large for field (" |
| 43 | + len + ")"); | |
| 44 | } | |
| 45 | 86 | } |
| 46 | }, | |
| 47 | ||
| 48 | /** Truncate on overflow (same as IGNORE) */ | |
| 49 | 1 | TRUNCATE, |
| 50 | ||
| 51 | /** Ignore overflow (same as TRUNCATE) */ | |
| 52 | 1 | IGNORE; |
| 53 | ||
| 54 | /** | |
| 55 | * Check the overflow of the field | |
| 56 | * @param b value | |
| 57 | * @param len field length | |
| 58 | */ | |
| 59 | protected void check(byte[] b, int len) { | |
| 60 | 22 | } |
| 61 | } | |
| 62 | ||
| 63 | /** | |
| 64 | * Underflow behavior enumerated type. | |
| 65 | */ | |
| 66 | 4 | public static enum Underflow implements FieldOption { |
| 67 | /** Error on Underflow */ | |
| 68 | 1 | ERROR() { |
| 69 | /** | |
| 70 | * {@inheritDoc} | |
| 71 | */ | |
| 72 | 1 | protected void check(byte[] b, int len) { |
| 73 | 64 | if (b.length < len) { |
| 74 | 2 | throw new IllegalArgumentException(new String(b) + " too small for field (" |
| 75 | + len + ")"); | |
| 76 | } | |
| 77 | 62 | } |
| 78 | }, | |
| 79 | ||
| 80 | /** Ignore Underflow */ | |
| 81 | 1 | IGNORE; |
| 82 | ||
| 83 | /** | |
| 84 | * Check the underflow of the field | |
| 85 | * @param b value | |
| 86 | * @param len field length | |
| 87 | */ | |
| 88 | protected void check(byte[] b, int len) { | |
| 89 | 0 | } |
| 90 | } | |
| 91 | ||
| 92 | /** | |
| 93 | * Convenience #readFrom alias. | |
| 94 | * @param is InputStream for <code>readFrom</code>. | |
| 95 | */ | |
| 96 | protected void dieOnExceptionRead(InputStream is) { | |
| 97 | try { | |
| 98 | 121 | readFrom(is); |
| 99 | 0 | } catch (IOException e) { |
| 100 | 0 | throw new RuntimeException(e); |
| 101 | 121 | } |
| 102 | 121 | } |
| 103 | } |