101 lines
2.7 KiB
Java
101 lines
2.7 KiB
Java
/**
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* Copyright (c) 2018-2028, DreamLu 卢春梦 (qq596392912@gmail.com).
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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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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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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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 org.springblade.core.tool.utils;
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import org.springframework.lang.Nullable;
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import java.io.Closeable;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* IoUtil
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*
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* @author L.cm
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*/
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public class IoUtil extends org.springframework.util.StreamUtils {
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/**
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* closeQuietly
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*
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* @param closeable 自动关闭
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*/
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public static void closeQuietly(@Nullable Closeable closeable) {
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try {
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if (closeable != null) {
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closeable.close();
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}
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} catch (IOException ioe) {
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// ignore
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}
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}
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/**
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* InputStream to String utf-8
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*
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* @param input the <code>InputStream</code> to read from
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* @return the requested String
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*/
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public static String toString(InputStream input) {
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return toString(input, Charsets.UTF_8);
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}
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/**
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* InputStream to String
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*
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* @param input the <code>InputStream</code> to read from
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* @param charset the <code>Charsets</code>
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* @return the requested String
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*/
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public static String toString(@Nullable InputStream input, java.nio.charset.Charset charset) {
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try {
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return IoUtil.copyToString(input, charset);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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} finally {
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IoUtil.closeQuietly(input);
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}
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}
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public static byte[] toByteArray(@Nullable InputStream input) {
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try {
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return IoUtil.copyToByteArray(input);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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} finally {
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IoUtil.closeQuietly(input);
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}
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}
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/**
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* Writes chars from a <code>String</code> to bytes on an
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* <code>OutputStream</code> using the specified character encoding.
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* <p>
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* This method uses {@link String#getBytes(String)}.
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*
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* @param data the <code>String</code> to write, null ignored
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* @param output the <code>OutputStream</code> to write to
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* @param encoding the encoding to use, null means platform default
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* @throws IOException if an I/O error occurs
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*/
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public static void write(@Nullable final String data, final OutputStream output, final java.nio.charset.Charset encoding) throws IOException {
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if (data != null) {
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output.write(data.getBytes(encoding));
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}
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}
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}
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