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authorGravatar Vitaly Takmazov2017-06-29 14:03:04 +0300
committerGravatar Vitaly Takmazov2017-06-29 14:03:04 +0300
commit02723131139806c761539a42a5fa80b68ecadee8 (patch)
treeca66f22993908758385f708eb2da4e4aeb20510a /juick-server-web/src/main/java/com/juick/server/util/HttpUtils.java
parent4cc4b08f4377b7db697abdb533c625da608eb3d3 (diff)
project structure: split server into jdbc + web
Diffstat (limited to 'juick-server-web/src/main/java/com/juick/server/util/HttpUtils.java')
-rw-r--r--juick-server-web/src/main/java/com/juick/server/util/HttpUtils.java112
1 files changed, 112 insertions, 0 deletions
diff --git a/juick-server-web/src/main/java/com/juick/server/util/HttpUtils.java b/juick-server-web/src/main/java/com/juick/server/util/HttpUtils.java
new file mode 100644
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+++ b/juick-server-web/src/main/java/com/juick/server/util/HttpUtils.java
@@ -0,0 +1,112 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2011, Ugnich Anton
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick.server.util;
+
+import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.UUID;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public class HttpUtils {
+ private static final Logger logger = LoggerFactory.getLogger(HttpUtils.class);
+
+ public static String receiveMultiPartFile(MultipartFile attach, String tmpDir) {
+ if (attach !=null && !attach.isEmpty()) {
+ String partname = attach.getOriginalFilename();
+ if (partname != null && partname.length() > 0) {
+ String attachmentType = partname.substring(partname.length() - 3).toLowerCase();
+ if (attachmentType.equals("jpg") || attachmentType.equals("peg") || attachmentType.equals("png")) {
+ if (attachmentType.equals("peg")) {
+ attachmentType = "jpg";
+ }
+ String attachmentFName = DigestUtils.md5Hex(UUID.randomUUID().toString()) + "." + attachmentType;
+ try {
+ Files.write(Paths.get(tmpDir, attachmentFName),
+ attach.getBytes());
+ return attachmentFName;
+ } catch (IOException e) {
+ logger.warn("file receive error", e);
+ }
+ }
+ }
+ }
+ return StringUtils.EMPTY;
+ }
+ public static String downloadImage(URL url, String tmpDir) throws Exception {
+ String attachmentFName = null;
+ Exception ex = null;
+
+ InputStream is = null;
+ FileOutputStream fos = null;
+ try {
+ URLConnection urlConn = url.openConnection();
+ is = urlConn.getInputStream();
+ String mime = urlConn.getContentType();
+
+ String attachmentType;
+ if (mime != null && mime.equals("image/jpeg")) {
+ attachmentType = "jpg";
+ } else if (mime != null && mime.equals("image/png")) {
+ attachmentType = "png";
+ } else {
+ throw new Exception("Wrong file type");
+ }
+
+ attachmentFName = DigestUtils.md5Hex(UUID.randomUUID().toString()) + "." + attachmentType;
+ fos = new FileOutputStream(Paths.get(tmpDir, attachmentFName).toString());
+ byte[] buffer = new byte[10240];
+ int len;
+ while ((len = is.read(buffer)) > 0) {
+ fos.write(buffer, 0, len);
+ }
+ } catch (Exception e) {
+ ex = e;
+ attachmentFName = null;
+ } finally {
+ try {
+ if (is != null) {
+ is.close();
+ }
+ } finally {
+ if (fos != null) {
+ fos.close();
+ }
+ }
+ }
+
+ if (ex != null) {
+ throw ex;
+ } else {
+ return attachmentFName;
+ }
+ }
+}