类org.apache.commons.io.comparator.SizeFileComparator源码实例Demo

下面列出了怎么用org.apache.commons.io.comparator.SizeFileComparator的API类实例代码及写法,或者点击链接到github查看源代码。

@SuppressWarnings("unchecked")
@Test
public void largeContentCacheFilesAreNotKeptOnDisk() throws IOException
{
    quota.setMaxFileSizeMB(3);
    writeSingleFileInMB(1);
    writeSingleFileInMB(2);
    writeSingleFileInMB(3);
    writeSingleFileInMB(4);
    
    List<File> files = new ArrayList<File>(findCacheFiles());
    assertEquals(3, files.size());
    Collections.sort(files,SizeFileComparator.SIZE_COMPARATOR);
    assertEquals(1, files.get(0).length() / FileUtils.ONE_MB);
    assertEquals(2, files.get(1).length() / FileUtils.ONE_MB);
    assertEquals(3, files.get(2).length() / FileUtils.ONE_MB);
}
 
public ArrayList<FileItem> getFilesItemsInCurrentDirectory() {
    Operations op = Operations.getInstance(mContext);
    Constants.SORT_OPTIONS option = op.getmCurrentSortOption();
    Constants.FILTER_OPTIONS filterOption = op.getmCurrentFilterOption();
    if (mFileNavigator.getmCurrentNode() == null) mFileNavigator.setmCurrentNode(mFileNavigator.getmRootNode());
    File[] files = mFileNavigator.getFilesInCurrentDirectory();
    if (files != null) {
        mFiles.clear();
        Comparator<File> comparator = NameFileComparator.NAME_INSENSITIVE_COMPARATOR;
        switch(option) {
            case SIZE:
                comparator = SizeFileComparator.SIZE_COMPARATOR;
                break;
            case LAST_MODIFIED:
                comparator = LastModifiedFileComparator.LASTMODIFIED_COMPARATOR;
                break;
        }
        Arrays.sort(files,comparator);
        for (int i = 0; i < files.length; i++) {
            boolean addToFilter = true;
            switch(filterOption) {
                case FILES:
                    addToFilter = !files[i].isDirectory();
                    break;
                case FOLDER:
                    addToFilter = files[i].isDirectory();
                    break;
            }
            if (addToFilter)
                mFiles.add(new FileItem(files[i]));
        }
    }
    return mFiles;
}
 
源代码3 项目: tutorials   文件: CommonsIOUnitTest.java
@Test
public void whenSizeFileComparator_thenLargerFile() throws IOException {

    SizeFileComparator sizeFileComparator = new SizeFileComparator();
    File largerFile = FileUtils.getFile(getClass().getClassLoader().getResource("fileTest.txt").getPath());
    File smallerFile = FileUtils.getFile(getClass().getClassLoader().getResource("sample.txt").getPath());

    int i = sizeFileComparator.compare(largerFile, smallerFile);

    Assert.assertTrue(i > 0);
}
 
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