74 lines
2.2 KiB
Java
74 lines
2.2 KiB
Java
/*
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* Copyright 2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.unifile;
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/*
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* Created by Hippo on 8/15/2016.
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*/
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import android.content.Context;
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import android.net.Uri;
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import android.os.ParcelFileDescriptor;
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import androidx.annotation.NonNull;
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import java.io.FileDescriptor;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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// The OutputStream from Context.getContentResolver().openOutputStream()
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// and FileProvider uri may throw Exception when write. The Exception looks like:
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// java.io.IOException: write failed: EBADF (Bad file descriptor)
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// But UriOutputStream can avoid it on my Nexus 5 cm13.
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// TODO need more test
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class UriOutputStream extends FileOutputStream {
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private final ParcelFileDescriptor mPfd;
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private UriOutputStream(ParcelFileDescriptor pfd, FileDescriptor fd) {
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super(fd);
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mPfd = pfd;
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}
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@NonNull
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static OutputStream create(Context context, Uri uri, String mode) throws IOException {
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ParcelFileDescriptor pfd;
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try {
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pfd = context.getContentResolver().openFileDescriptor(uri, mode);
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} catch (Throwable e) {
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Utils.throwIfFatal(e);
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throw new IOException("Can't get ParcelFileDescriptor", e);
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}
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if (pfd == null) {
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throw new IOException("Can't get ParcelFileDescriptor");
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}
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FileDescriptor fd = pfd.getFileDescriptor();
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if (fd == null) {
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throw new IOException("Can't get FileDescriptor");
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}
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return new UriOutputStream(pfd, fd);
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}
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@Override
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public void close() throws IOException {
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mPfd.close();
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super.close();
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}
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}
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