Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library 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 Lesser General Public License for more * details. */ package com.liferay.testmisc.portlet; import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayOutputStream; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.portlet.LiferayPortlet; import com.liferay.portal.kernel.portlet.PortletResponseUtil; import com.liferay.portal.kernel.servlet.PortalMessages; import com.liferay.portal.kernel.servlet.ServletResponseUtil; import com.liferay.portal.kernel.upload.UploadPortletRequest; import com.liferay.portal.kernel.util.MimeTypesUtil; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.StreamUtil; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.util.PortalUtil; import com.liferay.testmisc.util.PortletKeys; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.util.List; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.PortletContext; import javax.portlet.PortletException; import javax.portlet.PortletRequestDispatcher; import javax.portlet.RenderRequest; import javax.portlet.RenderResponse; import javax.portlet.ResourceRequest; import javax.portlet.ResourceResponse; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.portlet.PortletFileUpload; /** * @author Brian Wing Shun Chan * @author Amos Fong */ public class TestPortlet extends LiferayPortlet { public void addPortalMessage(ActionRequest actionRequest, ActionResponse actionResponse) { PortalMessages.add(actionRequest, PortalMessages.KEY_JSP_PATH, "/portal_message/portal_message.jsp"); PortalMessages.add(actionRequest, PortalMessages.KEY_PORTLET_ID, PortletKeys.TEST_MISC); } @Override public void doDispatch(RenderRequest renderRequest, RenderResponse renderResponse) throws IOException, PortletException { String title = ParamUtil.getString(renderRequest, "title"); if (Validator.isNotNull(title)) { renderResponse.setTitle(title); } String mvcPath = ParamUtil.getString(renderRequest, "mvcPath", "/view.jsp"); if (mvcPath.equals("/portlet_response/buffer_size.jsp")) { testResponseBufferSize(renderResponse); } include(mvcPath, renderRequest, renderResponse); } @Override public void processAction(ActionRequest actionRequest, ActionResponse actionResponse) throws IOException, PortletException { String actionName = ParamUtil.getString(actionRequest, ActionRequest.ACTION_NAME); if (Validator.isNotNull(actionName)) { super.processAction(actionRequest, actionResponse); return; } HttpServletRequest request = PortalUtil.getHttpServletRequest(actionRequest); HttpServletResponse response = PortalUtil.getHttpServletResponse(actionResponse); String fileName = "logo.png"; PortletContext portletContext = getPortletContext(); InputStream inputStream = portletContext.getResourceAsStream("/WEB-INF/images/logo.png"); String contentType = MimeTypesUtil.getContentType(fileName); ServletResponseUtil.sendFile(request, response, fileName, inputStream, contentType); } @Override public void serveResource(ResourceRequest resourceRequest, ResourceResponse resourceResponse) throws IOException { String fileName = resourceRequest.getResourceID(); InputStream inputStream = getPortletContext().getResourceAsStream("/WEB-INF/images/logo.png"); String contentType = MimeTypesUtil.getContentType(fileName); PortletResponseUtil.sendFile(null, resourceResponse, fileName, inputStream, contentType); } public void uploadForm1(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception { UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(actionRequest); String actionRequestTitle = ParamUtil.getString(actionRequest, "title"); String uploadPortletRequestTitle = ParamUtil.getString(uploadPortletRequest, "title"); File file = uploadPortletRequest.getFile("fileName"); if (_log.isInfoEnabled()) { _log.info("actionRequestTitle " + actionRequestTitle); _log.info("uploadPortletRequestTitle " + uploadPortletRequestTitle); _log.info("File " + file + " " + file.length()); } } public void uploadForm2(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception { testMultipartWithCommonsFileUpload(actionRequest); } public void uploadForm3(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception { testMultipartWithPortletInputStream(actionRequest); } protected void include(String path, RenderRequest renderRequest, RenderResponse renderResponse) throws IOException, PortletException { PortletRequestDispatcher portletRequestDispatcher = getPortletContext().getRequestDispatcher(path); if (portletRequestDispatcher == null) { _log.error(path + " is not a valid include"); } else { portletRequestDispatcher.include(renderRequest, renderResponse); } } protected void testMultipartWithCommonsFileUpload(ActionRequest actionRequest) throws Exception { boolean multiPartContent = PortletFileUpload.isMultipartContent(actionRequest); if (_log.isInfoEnabled()) { if (multiPartContent) { _log.info("The request is a multipart request"); } else { _log.info("The request is not a multipart request"); } } DiskFileItemFactory diskFileItemFactory = new DiskFileItemFactory(); PortletFileUpload portletFileUpload = new PortletFileUpload(diskFileItemFactory); List<FileItem> fileItemsList = portletFileUpload.parseRequest(actionRequest); if (_log.isInfoEnabled()) { _log.info("Apache commons upload was able to parse " + fileItemsList.size() + " items"); } for (int i = 0; i < fileItemsList.size(); i++) { FileItem fileItem = fileItemsList.get(i); if (_log.isInfoEnabled()) { _log.info("Item " + i + " " + fileItem); } } } protected int testMultipartWithPortletInputStream(ActionRequest actionRequest) throws Exception { InputStream inputStream = actionRequest.getPortletInputStream(); if (inputStream != null) { UnsyncByteArrayOutputStream unsyncByteArrayOutputStream = new UnsyncByteArrayOutputStream(); StreamUtil.transfer(inputStream, unsyncByteArrayOutputStream); int size = unsyncByteArrayOutputStream.size(); if (_log.isInfoEnabled()) { _log.info("Byte array size from the raw input stream is " + size); } return size; } return -1; } protected void testResponseBufferSize(RenderResponse renderResponse) { if (_log.isInfoEnabled()) { _log.info("Original buffer size " + renderResponse.getBufferSize()); } renderResponse.setBufferSize(12345); if (_log.isInfoEnabled()) { _log.info("New buffer size " + renderResponse.getBufferSize()); } } private static Log _log = LogFactoryUtil.getLog(TestPortlet.class); }