| Clover coverage report - Maven Clover report |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| ByteArrayDataSource.java | 25% | 95.7% | 100% | 88.6% |
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| 1 | /** | |
| 2 | * | |
| 3 | * Copyright 2006 The Apache Software Foundation | |
| 4 | * | |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 | * you may not use this file except in compliance with the License. | |
| 7 | * 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 | ||
| 18 | package javax.mail.util; | |
| 19 | ||
| 20 | import java.io.ByteArrayOutputStream; | |
| 21 | import java.io.ByteArrayInputStream; | |
| 22 | import java.io.IOException; | |
| 23 | import java.io.InputStream; | |
| 24 | import java.io.OutputStream; | |
| 25 | ||
| 26 | import javax.activation.DataSource; | |
| 27 | import javax.mail.internet.ContentType; | |
| 28 | import javax.mail.internet.ParseException; | |
| 29 | import javax.mail.internet.MimeUtility; | |
| 30 | ||
| 31 | ||
| 32 | /** | |
| 33 | * An activation DataSource object that sources the data from | |
| 34 | * a byte[] array. | |
| 35 | * @version $Rev: 421852 $ $Date: 2006-07-14 03:02:19 -0700 (Fri, 14 Jul 2006) $ | |
| 36 | */ | |
| 37 | public class ByteArrayDataSource implements DataSource { | |
| 38 | // the data source | |
| 39 | private byte[] source; | |
| 40 | // the content MIME type | |
| 41 | private String contentType; | |
| 42 | // the name information (defaults to a null string) | |
| 43 | private String name = ""; | |
| 44 | ||
| 45 | ||
| 46 | /** | |
| 47 | * Create a ByteArrayDataSource from an input stream. | |
| 48 | * | |
| 49 | * @param in The source input stream. | |
| 50 | * @param type The MIME-type of the data. | |
| 51 | * | |
| 52 | * @exception IOException | |
| 53 | */ | |
| 54 | 1 | public ByteArrayDataSource(InputStream in, String type) throws IOException { |
| 55 | 1 | ByteArrayOutputStream sink = new ByteArrayOutputStream(); |
| 56 | ||
| 57 | // ok, how I wish you could just pipe an input stream into an output stream :-) | |
| 58 | 1 | byte[] buffer = new byte[8192]; |
| 59 | 1 | int bytesRead; |
| 60 | ||
| 61 | ? | while ((bytesRead = in.read(buffer)) > 0) { |
| 62 | 1 | sink.write(buffer, 0, bytesRead); |
| 63 | } | |
| 64 | ||
| 65 | 1 | source = sink.toByteArray(); |
| 66 | 1 | contentType = type; |
| 67 | } | |
| 68 | ||
| 69 | ||
| 70 | /** | |
| 71 | * Create a ByteArrayDataSource directly from a byte array. | |
| 72 | * | |
| 73 | * @param data The source byte array (not copied). | |
| 74 | * @param type The content MIME-type. | |
| 75 | */ | |
| 76 | 7 | public ByteArrayDataSource(byte[] data, String type) { |
| 77 | 7 | source = data; |
| 78 | 7 | contentType = type; |
| 79 | } | |
| 80 | ||
| 81 | /** | |
| 82 | * Create a ByteArrayDataSource from a string value. If the | |
| 83 | * type information includes a charset parameter, that charset | |
| 84 | * is used to extract the bytes. Otherwise, the default Java | |
| 85 | * char set is used. | |
| 86 | * | |
| 87 | * @param data The source data string. | |
| 88 | * @param type The MIME type information. | |
| 89 | * | |
| 90 | * @exception IOException | |
| 91 | */ | |
| 92 | 3 | public ByteArrayDataSource(String data, String type) throws IOException { |
| 93 | 3 | String charset = null; |
| 94 | 3 | try { |
| 95 | // the charset can be encoded in the content type, which we parse using | |
| 96 | // the ContentType class. | |
| 97 | 3 | ContentType content = new ContentType(type); |
| 98 | 3 | charset = content.getParameter("charset"); |
| 99 | } catch (ParseException e) { | |
| 100 | // ignored...just use the default if this fails | |
| 101 | } | |
| 102 | 3 | if (charset == null) { |
| 103 | 3 | charset = MimeUtility.getDefaultJavaCharset(); |
| 104 | } | |
| 105 | else { | |
| 106 | // the type information encodes a MIME charset, which may need mapping to a Java one. | |
| 107 | 0 | charset = MimeUtility.javaCharset(charset); |
| 108 | } | |
| 109 | ||
| 110 | // get the source using the specified charset | |
| 111 | 3 | source = data.getBytes(charset); |
| 112 | 3 | contentType = type; |
| 113 | } | |
| 114 | ||
| 115 | ||
| 116 | /** | |
| 117 | * Create an input stream for this data. A new input stream | |
| 118 | * is created each time. | |
| 119 | * | |
| 120 | * @return An InputStream for reading the encapsulated data. | |
| 121 | * @exception IOException | |
| 122 | */ | |
| 123 | 9 | public InputStream getInputStream() throws IOException { |
| 124 | 9 | return new ByteArrayInputStream(source); |
| 125 | } | |
| 126 | ||
| 127 | ||
| 128 | /** | |
| 129 | * Open an output stream for the DataSource. This is not | |
| 130 | * supported by this DataSource, so an IOException is always | |
| 131 | * throws. | |
| 132 | * | |
| 133 | * @return Nothing...an IOException is always thrown. | |
| 134 | * @exception IOException | |
| 135 | */ | |
| 136 | 1 | public OutputStream getOutputStream() throws IOException { |
| 137 | 1 | throw new IOException("Writing to a ByteArrayDataSource is not supported"); |
| 138 | } | |
| 139 | ||
| 140 | ||
| 141 | /** | |
| 142 | * Get the MIME content type information for this DataSource. | |
| 143 | * | |
| 144 | * @return The MIME content type string. | |
| 145 | */ | |
| 146 | 9 | public String getContentType() { |
| 147 | 9 | return contentType; |
| 148 | } | |
| 149 | ||
| 150 | ||
| 151 | /** | |
| 152 | * Retrieve the DataSource name. If not explicitly set, this | |
| 153 | * returns "". | |
| 154 | * | |
| 155 | * @return The currently set DataSource name. | |
| 156 | */ | |
| 157 | 2 | public String getName() { |
| 158 | 2 | return name; |
| 159 | } | |
| 160 | ||
| 161 | ||
| 162 | /** | |
| 163 | * Set a new DataSource name. | |
| 164 | * | |
| 165 | * @param name The new name. | |
| 166 | */ | |
| 167 | 1 | public void setName(String name) { |
| 168 | 1 | this.name = name; |
| 169 | } | |
| 170 | } | |
| 171 |
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