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src/main/java/com/hankcs/hanlp/corpus/io/EasyReader.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /* | ||
| * <summary></summary> | ||
| * <author>He Han</author> | ||
| * <email>[email protected]</email> | ||
| * <create-date>2015/7/29 16:35</create-date> | ||
| * | ||
| * <copyright file="DumpReader.java" company="码农场"> | ||
| * Copyright (c) 2008-2015, 码农场. All Right Reserved, http://www.hankcs.com/ | ||
| * This source is subject to Hankcs. Please contact Hankcs to get more information. | ||
| * </copyright> | ||
| */ | ||
| package com.hankcs.hanlp.corpus.io; | ||
|
|
||
| import java.io.File; | ||
| import java.io.FileFilter; | ||
|
|
||
| /** | ||
| * 文本读取工具 | ||
| * @author hankcs | ||
| */ | ||
| public class EasyReader | ||
| { | ||
| /** | ||
| * 根目录 | ||
| */ | ||
| String root; | ||
| /** | ||
| * 是否输出进度 | ||
| */ | ||
| boolean verbose = true; | ||
|
|
||
| /** | ||
| * 构造 | ||
| * @param root 根目录 | ||
| */ | ||
| public EasyReader(String root) | ||
| { | ||
| this.root = root; | ||
| } | ||
|
|
||
| /** | ||
| * 构造 | ||
| * @param root 根目录 | ||
| * @param verbose 是否输出进度 | ||
| */ | ||
| public EasyReader(String root, boolean verbose) | ||
| { | ||
| this.root = root; | ||
| this.verbose = verbose; | ||
| } | ||
|
|
||
| /** | ||
| * 读取 | ||
| * @param handler 处理逻辑 | ||
| * @param size 读取多少个文件 | ||
| * @throws Exception | ||
| */ | ||
| public void read(LineHandler handler, int size) throws Exception | ||
| { | ||
| File rootFile = new File(root); | ||
| File[] files; | ||
| if (rootFile.isDirectory()) | ||
| { | ||
| files = rootFile.listFiles(new FileFilter() | ||
| { | ||
| @Override | ||
| public boolean accept(File pathname) | ||
| { | ||
| return pathname.isFile() && !pathname.getName().endsWith(".bin"); | ||
| } | ||
| }); | ||
| if (files == null) | ||
| { | ||
| if (rootFile.isFile()) | ||
| files = new File[]{rootFile}; | ||
| else return; | ||
| } | ||
| } | ||
| else | ||
| { | ||
| files = new File[]{rootFile}; | ||
| } | ||
|
|
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| int n = 0; | ||
| int totalAddress = 0; | ||
| long start = System.currentTimeMillis(); | ||
| for (File file : files) | ||
| { | ||
| if (size-- == 0) break; | ||
| if (file.isDirectory()) continue; | ||
| if (verbose) System.out.printf("正在处理%s, %d / %d\n", file.getName(), ++n, files.length); | ||
| IOUtil.LineIterator lineIterator = new IOUtil.LineIterator(file.getAbsolutePath()); | ||
| while (lineIterator.hasNext()) | ||
| { | ||
| ++totalAddress; | ||
| String line = lineIterator.next(); | ||
| if (line.length() == 0) continue; | ||
| handler.handle(line); | ||
| } | ||
| } | ||
| handler.done(); | ||
| if (verbose) System.out.printf("处理了 %.2f 万行，花费了 %.2f min\n", totalAddress / 10000.0, (System.currentTimeMillis() - start) / 1000.0 / 60.0); | ||
| } | ||
|
|
||
| /** | ||
| * 读取 | ||
| * @param handler 处理逻辑 | ||
| * @throws Exception | ||
| */ | ||
| public void read(LineHandler handler) throws Exception | ||
| { | ||
| read(handler, Integer.MAX_VALUE); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * <summary></summary> | ||
| * <author>He Han</author> | ||
| * <email>[email protected]</email> | ||
| * <create-date>2015/7/29 16:37</create-date> | ||
| * | ||
| * <copyright file="DumpHander.java" company="码农场"> | ||
| * Copyright (c) 2008-2015, 码农场. All Right Reserved, http://www.hankcs.com/ | ||
| * This source is subject to Hankcs. Please contact Hankcs to get more information. | ||
| * </copyright> | ||
| */ | ||
| package com.hankcs.hanlp.corpus.io; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
|
|
||
| /** | ||
| * @author hankcs | ||
| */ | ||
| public abstract class LineHandler | ||
| { | ||
| String delimiter = "\t"; | ||
|
|
||
| public LineHandler(String delimiter) | ||
| { | ||
| this.delimiter = delimiter; | ||
| } | ||
|
|
||
| public LineHandler() | ||
| { | ||
| } | ||
|
|
||
| public void handle(String line) throws Exception | ||
| { | ||
| List<String> tokenList = new LinkedList<String>(); | ||
| int start = 0; | ||
| int end; | ||
| while ((end = line.indexOf(delimiter, start)) != -1) | ||
| { | ||
| tokenList.add(line.substring(start, end)); | ||
| start = end + 1; | ||
| } | ||
| tokenList.add(line.substring(start, line.length())); | ||
| handle(tokenList.toArray(new String[0])); | ||
| } | ||
|
|
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| public void done() throws IOException | ||
| { | ||
| // do noting | ||
| } | ||
|
|
||
| public abstract void handle(String[] params) throws IOException; | ||
| } |
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