| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package opennlp.tools.doccat; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| import opennlp.tools.tokenize.WhitespaceTokenizer; |
| |
| /** |
| * Class which holds a classified document and its category. |
| */ |
| public class DocumentSample { |
| |
| private final String category; |
| private final List<String> text; |
| private final Map<String, Object> extraInformation; |
| |
| public DocumentSample(String category, String text) { |
| this(category, WhitespaceTokenizer.INSTANCE.tokenize(text)); |
| } |
| |
| public DocumentSample(String category, String text[]) { |
| this(category, text, null); |
| } |
| |
| public DocumentSample(String category, String text[], Map<String, Object> extraInformation) { |
| if (category == null) { |
| throw new IllegalArgumentException("category must not be null"); |
| } |
| if (text == null) { |
| throw new IllegalArgumentException("text must not be null"); |
| } |
| |
| this.category = category; |
| this.text = Collections.unmodifiableList(new ArrayList<String>(Arrays.asList(text))); |
| |
| if(extraInformation == null) { |
| this.extraInformation = Collections.emptyMap(); |
| } else { |
| this.extraInformation = extraInformation; |
| } |
| } |
| |
| public String getCategory() { |
| return category; |
| } |
| |
| public String[] getText() { |
| return text.toArray(new String[text.size()]); |
| } |
| |
| public Map<String, Object> getExtraInformation() { |
| return extraInformation; |
| } |
| |
| @Override |
| public String toString() { |
| |
| StringBuilder sampleString = new StringBuilder(); |
| |
| sampleString.append(category).append('\t'); |
| |
| for (String s : text) { |
| sampleString.append(s).append(' '); |
| } |
| |
| if (sampleString.length() > 0) { |
| // remove last space |
| sampleString.setLength(sampleString.length() - 1); |
| } |
| |
| return sampleString.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } else if (obj instanceof DocumentSample) { |
| DocumentSample a = (DocumentSample) obj; |
| |
| return getCategory().equals(a.getCategory()) |
| && Arrays.equals(getText(), a.getText()); |
| } else { |
| return false; |
| } |
| } |
| } |