Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/* 
 * Copyright (C) 2007-2008 OpenIntents.org
 *
 * Licensed 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.
 */

import java.io.File;

import java.net.URISyntaxException;

import android.content.Context;

import android.database.Cursor;

import android.net.Uri;

import android.util.Log;

public class Main {
    /** TAG for log messages. */
    static final String TAG = "FileUtils";
    private static final boolean DEBUG = false;

    /**
     * Convert Uri into File.
     * @param uri
     * @return file
     */
    public static File getFile(Uri uri) {
        if (uri != null) {
            String filepath = uri.getPath();
            if (filepath != null) {
                return new File(filepath);
            }
        }
        return null;
    }

    /**
     * Constructs a file from a path and file name.
     * 
     * @param curdir
     * @param file
     * @return
     */
    public static File getFile(String curdir, String file) {
        String separator = "/";
        if (curdir.endsWith("/")) {
            separator = "";
        }
        File clickedFile = new File(curdir + separator + file);
        return clickedFile;
    }

    public static File getFile(File curdir, String file) {
        return getFile(curdir.getAbsolutePath(), file);
    }

    /**
     * Get a file path from a Uri.
     * 
     * @param context
     * @param uri
     * @return
     * @throws URISyntaxException
     * 
     * @author paulburke
     */
    public static String getPath(Context context, Uri uri) throws URISyntaxException {

        if (DEBUG)
            Log.d(TAG + " File -",
                    "Authority: " + uri.getAuthority() + ", Fragment: " + uri.getFragment() + ", Port: "
                            + uri.getPort() + ", Query: " + uri.getQuery() + ", Scheme: " + uri.getScheme()
                            + ", Host: " + uri.getHost() + ", Segments: " + uri.getPathSegments().toString());

        if ("content".equalsIgnoreCase(uri.getScheme())) {
            String[] projection = { "_data" };
            Cursor cursor = null;

            try {
                cursor = context.getContentResolver().query(uri, projection, null, null, null);
                int column_index = cursor.getColumnIndexOrThrow("_data");
                if (cursor.moveToFirst()) {
                    return cursor.getString(column_index);
                }
            } catch (Exception e) {
                // Eat it
            }
        }

        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }

        return null;
    }
}