| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| DataSourceClassPathResolver |
|
| 2.857142857142857;2.857 |
| 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.mail.resolver; | |
| 18 | ||
| 19 | import org.apache.commons.mail.ByteArrayDataSource; | |
| 20 | ||
| 21 | import javax.activation.DataSource; | |
| 22 | import javax.activation.FileTypeMap; | |
| 23 | import java.io.IOException; | |
| 24 | import java.io.InputStream; | |
| 25 | ||
| 26 | /** | |
| 27 | * Creates a <code>DataSource</code> based on an class path. | |
| 28 | * | |
| 29 | * @since 1.3 | |
| 30 | * @version $Id: DataSourceClassPathResolver.java 1448981 2013-02-22 10:40:34Z tn $ | |
| 31 | */ | |
| 32 | public class DataSourceClassPathResolver extends DataSourceBaseResolver | |
| 33 | { | |
| 34 | /** the base string of the resource relative to the classpath when resolving relative paths */ | |
| 35 | private final String classPathBase; | |
| 36 | ||
| 37 | /** | |
| 38 | * Constructor | |
| 39 | */ | |
| 40 | public DataSourceClassPathResolver() | |
| 41 | 0 | { |
| 42 | 0 | this.classPathBase = "/"; |
| 43 | 0 | } |
| 44 | ||
| 45 | /** | |
| 46 | * Constructor. | |
| 47 | * | |
| 48 | * @param classPathBase a base class path | |
| 49 | */ | |
| 50 | public DataSourceClassPathResolver(final String classPathBase) | |
| 51 | 0 | { |
| 52 | 0 | this.classPathBase = classPathBase.endsWith("/") ? classPathBase : classPathBase + "/"; |
| 53 | 0 | } |
| 54 | ||
| 55 | /** | |
| 56 | * Constructor. | |
| 57 | * | |
| 58 | * @param classPathBase a base class path | |
| 59 | * @param lenient shall we ignore resources not found or throw an exception? | |
| 60 | */ | |
| 61 | public DataSourceClassPathResolver(final String classPathBase, final boolean lenient) | |
| 62 | { | |
| 63 | 9 | super(lenient); |
| 64 | 9 | this.classPathBase = classPathBase.endsWith("/") ? classPathBase : classPathBase + "/"; |
| 65 | 9 | } |
| 66 | ||
| 67 | /** | |
| 68 | * @return the classPathBase | |
| 69 | */ | |
| 70 | public String getClassPathBase() | |
| 71 | { | |
| 72 | 17 | return classPathBase; |
| 73 | } | |
| 74 | ||
| 75 | /** {@inheritDoc} */ | |
| 76 | public DataSource resolve(String resourceLocation) throws IOException | |
| 77 | { | |
| 78 | 14 | return resolve(resourceLocation, isLenient()); |
| 79 | } | |
| 80 | ||
| 81 | /** {@inheritDoc} */ | |
| 82 | public DataSource resolve(final String resourceLocation, final boolean isLenient) throws IOException | |
| 83 | { | |
| 84 | 17 | DataSource result = null; |
| 85 | ||
| 86 | try | |
| 87 | { | |
| 88 | 17 | if (!isCid(resourceLocation) && !isHttpUrl(resourceLocation)) |
| 89 | { | |
| 90 | 17 | String mimeType = FileTypeMap.getDefaultFileTypeMap().getContentType(resourceLocation); |
| 91 | 17 | String resourceName = getResourceName(resourceLocation); |
| 92 | 17 | InputStream is = DataSourceClassPathResolver.class.getResourceAsStream(resourceName); |
| 93 | ||
| 94 | 17 | if (is != null) |
| 95 | { | |
| 96 | 13 | ByteArrayDataSource ds = new ByteArrayDataSource(is, mimeType); |
| 97 | // EMAIL-125: set the name of the DataSource to the normalized resource URL | |
| 98 | // similar to other DataSource implementations, e.g. FileDataSource, URLDataSource | |
| 99 | 13 | ds.setName(DataSourceClassPathResolver.class.getResource(resourceName).toString()); |
| 100 | 13 | result = ds; |
| 101 | 13 | } |
| 102 | else | |
| 103 | { | |
| 104 | 4 | if (isLenient) |
| 105 | { | |
| 106 | 3 | return null; |
| 107 | } | |
| 108 | else | |
| 109 | { | |
| 110 | 1 | throw new IOException("The following class path resource was not found : " + resourceLocation); |
| 111 | } | |
| 112 | } | |
| 113 | } | |
| 114 | ||
| 115 | ||
| 116 | 13 | return result; |
| 117 | } | |
| 118 | 1 | catch (IOException e) |
| 119 | { | |
| 120 | 1 | if (isLenient) |
| 121 | { | |
| 122 | 0 | return null; |
| 123 | } | |
| 124 | else | |
| 125 | { | |
| 126 | 1 | throw e; |
| 127 | } | |
| 128 | } | |
| 129 | } | |
| 130 | ||
| 131 | /** | |
| 132 | * Returns the resource name for a given resource location. | |
| 133 | * | |
| 134 | * @param resourceLocation the resource location | |
| 135 | * @return {@link #getClassPathBase()} + {@code resourceLocation} | |
| 136 | * @see #getClassPathBase() | |
| 137 | */ | |
| 138 | private String getResourceName(final String resourceLocation) | |
| 139 | { | |
| 140 | 17 | return (getClassPathBase() + resourceLocation).replaceAll("//", "/"); |
| 141 | } | |
| 142 | } |