82 lines
2.3 KiB
Java
82 lines
2.3 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.core.io.*;
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import org.springframework.util.Assert;
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import java.io.IOException;
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/**
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* 资源工具类
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*
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* @author L.cm
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*/
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public class ResourceUtil extends org.springframework.util.ResourceUtils {
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public static final String HTTP_REGEX = "^https?:.+$";
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public static final String FTP_URL_PREFIX = "ftp:";
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/**
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* 获取资源
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* <p>
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* 支持一下协议：
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* <p>
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* 1. classpath:
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* 2. file:
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* 3. ftp:
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* 4. http: and https:
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* 6. C:/dir1/ and /Users/lcm
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* </p>
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*
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* @param resourceLocation 资源路径
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* @return {Resource}
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* @throws IOException IOException
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*/
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public static Resource getResource(String resourceLocation) throws IOException {
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Assert.notNull(resourceLocation, "Resource location must not be null");
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if (resourceLocation.startsWith(CLASSPATH_URL_PREFIX)) {
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String path = resourceLocation.substring(CLASSPATH_URL_PREFIX.length());
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return new ClassPathResource(path);
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}
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if (resourceLocation.startsWith(FTP_URL_PREFIX)) {
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return new UrlResource(resourceLocation);
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}
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if (resourceLocation.matches(HTTP_REGEX)) {
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return new UrlResource(resourceLocation);
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}
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if (resourceLocation.startsWith(FILE_URL_PREFIX)) {
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return new FileUrlResource(resourceLocation);
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}
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return new FileSystemResource(resourceLocation);
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}
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/**
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* 读取资源文件为字符串
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*
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* @param resourceLocation 资源文件地址
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* @return 字符串
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*/
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public static String getAsString(String resourceLocation) {
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try {
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Resource resource = getResource(resourceLocation);
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return IoUtil.toString(resource.getInputStream());
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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}
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