|
| 1 | +/* |
| 2 | + * #%L |
| 3 | + * SciJava Common shared library for SciJava software. |
| 4 | + * %% |
| 5 | + * Copyright (C) 2009 - 2017 Board of Regents of the University of |
| 6 | + * Wisconsin-Madison, Broad Institute of MIT and Harvard, Max Planck |
| 7 | + * Institute of Molecular Cell Biology and Genetics, University of |
| 8 | + * Konstanz, and KNIME GmbH. |
| 9 | + * %% |
| 10 | + * Redistribution and use in source and binary forms, with or without |
| 11 | + * modification, are permitted provided that the following conditions are met: |
| 12 | + * |
| 13 | + * 1. Redistributions of source code must retain the above copyright notice, |
| 14 | + * this list of conditions and the following disclaimer. |
| 15 | + * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 16 | + * this list of conditions and the following disclaimer in the documentation |
| 17 | + * and/or other materials provided with the distribution. |
| 18 | + * |
| 19 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 20 | + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE |
| 23 | + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | + * POSSIBILITY OF SUCH DAMAGE. |
| 30 | + * #L% |
| 31 | + */ |
| 32 | + |
| 33 | +package org.scijava.convert; |
| 34 | + |
| 35 | +import java.io.File; |
| 36 | +import java.util.ArrayList; |
| 37 | +import java.util.Arrays; |
| 38 | +import java.util.List; |
| 39 | +import java.util.stream.Collectors; |
| 40 | + |
| 41 | +import org.scijava.Priority; |
| 42 | +import org.scijava.plugin.Plugin; |
| 43 | +import org.scijava.util.StringUtils; |
| 44 | + |
| 45 | +/** |
| 46 | + * A collection of {@link Converter} plugins for going between {@link String}, |
| 47 | + * {@link File} and {@code File[]}. |
| 48 | + * |
| 49 | + * @author Jan Eglinger |
| 50 | + * @author Curtis Rueden |
| 51 | + */ |
| 52 | +public class FileListConverters { |
| 53 | + // -- String to File (list) converters -- |
| 54 | + |
| 55 | + @Plugin(type = Converter.class, priority = Priority.NORMAL) |
| 56 | + public static class StringToFileConverter extends |
| 57 | + AbstractConverter<String, File> |
| 58 | + { |
| 59 | + |
| 60 | + @SuppressWarnings("unchecked") |
| 61 | + @Override |
| 62 | + public <T> T convert(final Object src, final Class<T> dest) { |
| 63 | + return (T) new File((String) src); |
| 64 | + } |
| 65 | + |
| 66 | + @Override |
| 67 | + public Class<File> getOutputType() { |
| 68 | + return File.class; |
| 69 | + } |
| 70 | + |
| 71 | + @Override |
| 72 | + public Class<String> getInputType() { |
| 73 | + return String.class; |
| 74 | + } |
| 75 | + |
| 76 | + } |
| 77 | + |
| 78 | + @Plugin(type = Converter.class, priority = Priority.NORMAL) |
| 79 | + public static class StringToFileArrayConverter extends |
| 80 | + AbstractConverter<String, File[]> |
| 81 | + { |
| 82 | + |
| 83 | + @SuppressWarnings("unchecked") |
| 84 | + @Override |
| 85 | + public <T> T convert(final Object src, final Class<T> dest) { |
| 86 | + final String[] tokens = StringUtils.splitUnquoted((String) src, ","); |
| 87 | + final List<File> fileList = new ArrayList<>(); |
| 88 | + for (final String filePath : tokens) { |
| 89 | + fileList.add(new File(filePath.replaceAll("^\"|\"$", ""))); |
| 90 | + } |
| 91 | + return (T) fileList.toArray(new File[fileList.size()]); |
| 92 | + } |
| 93 | + |
| 94 | + @Override |
| 95 | + public Class<File[]> getOutputType() { |
| 96 | + return File[].class; |
| 97 | + } |
| 98 | + |
| 99 | + @Override |
| 100 | + public Class<String> getInputType() { |
| 101 | + return String.class; |
| 102 | + } |
| 103 | + |
| 104 | + } |
| 105 | + |
| 106 | + // TODO add StringToFileListConverter |
| 107 | + |
| 108 | + // -- File (list) to String converters -- |
| 109 | + |
| 110 | + @Plugin(type = Converter.class, priority = Priority.NORMAL) |
| 111 | + public static class FileToStringConverter extends |
| 112 | + AbstractConverter<File, String> |
| 113 | + { |
| 114 | + |
| 115 | + @SuppressWarnings("unchecked") |
| 116 | + @Override |
| 117 | + public <T> T convert(final Object src, final Class<T> dest) { |
| 118 | + return (T) ((File) src).getAbsolutePath(); |
| 119 | + } |
| 120 | + |
| 121 | + @Override |
| 122 | + public Class<String> getOutputType() { |
| 123 | + return String.class; |
| 124 | + } |
| 125 | + |
| 126 | + @Override |
| 127 | + public Class<File> getInputType() { |
| 128 | + return File.class; |
| 129 | + } |
| 130 | + |
| 131 | + } |
| 132 | + |
| 133 | + @Plugin(type = Converter.class, priority = Priority.NORMAL) |
| 134 | + public static class FileArrayToStringConverter extends |
| 135 | + AbstractConverter<File[], String> |
| 136 | + { |
| 137 | + |
| 138 | + @SuppressWarnings("unchecked") |
| 139 | + @Override |
| 140 | + public <T> T convert(final Object src, final Class<T> dest) { |
| 141 | + final List<String> result = Arrays.asList((File[]) src).stream().map( |
| 142 | + f -> { |
| 143 | + final String path = f.getAbsolutePath(); |
| 144 | + return path.contains(",") ? "\"" + path + "\"" : path; |
| 145 | + }).collect(Collectors.toList()); |
| 146 | + return (T) String.join(",", result); |
| 147 | + } |
| 148 | + |
| 149 | + @Override |
| 150 | + public Class<String> getOutputType() { |
| 151 | + return String.class; |
| 152 | + } |
| 153 | + |
| 154 | + @Override |
| 155 | + public Class<File[]> getInputType() { |
| 156 | + return File[].class; |
| 157 | + } |
| 158 | + |
| 159 | + } |
| 160 | + |
| 161 | + // TODO add FileListToStringConverter |
| 162 | +} |
0 commit comments