Java tutorial
/********************************************************************************* * The contents of this file are subject to the Common Public Attribution * License Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.openemm.org/cpal1.html. The License is based on the Mozilla * Public License Version 1.1 but Sections 14 and 15 have been added to cover * use of software over a computer network and provide for limited attribution * for the Original Developer. In addition, Exhibit A has been modified to be * consistent with Exhibit B. * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for * the specific language governing rights and limitations under the License. * * The Original Code is OpenEMM. * The Original Developer is the Initial Developer. * The Initial Developer of the Original Code is AGNITAS AG. All portions of * the code written by AGNITAS AG are Copyright (c) 2007 AGNITAS AG. All Rights * Reserved. * * Contributor(s): AGNITAS AG. ********************************************************************************/ package org.agnitas.beans.impl; /** * * @author mhe * @version */ import java.io.ByteArrayOutputStream; import java.io.DataOutputStream; import java.io.OutputStream; import java.sql.Blob; import java.util.Date; import javax.mail.internet.MimeUtility; import org.agnitas.beans.MailingComponent; import org.agnitas.util.AgnUtils; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.methods.GetMethod; import org.apache.log4j.Logger; import org.hibernate.Hibernate; public class MailingComponentImpl implements MailingComponent { private static final long serialVersionUID = 6149094755767488656L; private static final transient Logger logger = Logger.getLogger(MailingComponentImpl.class); protected int id; protected String mimeType; protected String componentName; protected String description; protected int mailingID; protected int companyID; protected int type; protected StringBuffer emmBlock; protected byte[] binaryBlock; protected Date timestamp; protected String link; protected int urlID; protected int targetID; protected Date startDate; protected Date endDate; public static final int TYPE_FONT = 6; public MailingComponentImpl() { id = 0; componentName = null; mimeType = " "; mailingID = 0; companyID = 0; type = TYPE_IMAGE; emmBlock = null; targetID = 0; } public void setComponentName(String cid) { if (cid != null) { componentName = cid; } else { componentName = ""; } } public void setType(int cid) { type = cid; if ((type != TYPE_IMAGE) && (type != TYPE_TEMPLATE) && (type != TYPE_ATTACHMENT) && (type != TYPE_PERSONALIZED_ATTACHMENT) && (type != TYPE_HOSTED_IMAGE) && (type != TYPE_FONT) && (type != TYPE_THUMBMAIL_IMAGE) && (type != TYPE_PREC_ATTACHMENT)) { type = TYPE_IMAGE; } } public void setMimeType(String cid) { if (cid != null) { mimeType = cid; } else { mimeType = ""; } } public void setId(int cid) { id = cid; } public String getComponentName() { if (componentName != null) { return componentName; } return ""; } public void setMailingID(int cid) { mailingID = cid; } public void setCompanyID(int cid) { companyID = cid; } public void setEmmBlock(String cid) { if (cid != null) { emmBlock = new StringBuffer(cid); } else { emmBlock = new StringBuffer(); } } public void setBinaryBlock(byte[] cid) { binaryBlock = cid; } public boolean loadContentFromURL() { boolean returnValue = true; // return false; if ((type != TYPE_IMAGE) && (type != TYPE_ATTACHMENT)) { return false; } HttpClient httpClient = new HttpClient(); String encodedURI = encodeURI(componentName); GetMethod get = new GetMethod(encodedURI); get.setFollowRedirects(true); try { httpClient.getParams().setParameter("http.connection.timeout", 5000); if (httpClient.executeMethod(get) == 200) { get.getResponseHeaders(); this.binaryBlock = get.getResponseBody(); setEmmBlock(makeEMMBlock()); mimeType = get.getResponseHeader("Content-Type").getValue(); } } catch (Exception e) { logger.error("loadContentFromURL", e); returnValue = false; } // lets clear connection finally { get.releaseConnection(); } if (logger.isInfoEnabled()) logger.info("loadContentFromURL: loaded " + componentName); return returnValue; } public String makeEMMBlock() { ByteArrayOutputStream baos = null; if (type == TYPE_TEMPLATE) { try { return new String(binaryBlock, "UTF8"); } catch (Exception e) { logger.error("makeEMMBlock: encoding error", e); return " "; } } else { try { baos = new ByteArrayOutputStream(); OutputStream dos = MimeUtility.encode(new DataOutputStream(baos), "base64"); dos.write(binaryBlock); dos.flush(); return baos.toString(); } catch (Exception e) { return null; } } } public String getEmmBlock() { return new String(emmBlock); } public int getId() { return id; } public String getMimeType() { return mimeType; } /** * Getter for property targetID. * * @return Value of property targetID. */ public int getTargetID() { return this.targetID; } /** * Setter for property targetID. * * @param targetID * New value of property targetID. */ public void setTargetID(int targetID) { this.targetID = targetID; } /** * Getter for property type. * * @return Value of property type. */ public int getType() { return this.type; } /** Don't invoke this. Used by Hibernate only. */ public void setBinaryBlob(Blob imageBlob) { this.binaryBlock = AgnUtils.BlobToByte(imageBlob); } /** Don't invoke this. Used by Hibernate only. */ public Blob getBinaryBlob() { return Hibernate.createBlob(this.binaryBlock); } /** * Getter for property binaryBlock. * * @return Value of property binaryBlock. * */ public byte[] getBinaryBlock() { return this.binaryBlock; } /** * Getter for property mailingID. * * @return Value of property mailingID. */ public int getMailingID() { return this.mailingID; } /** * Getter for property companyID. * * @return Value of property companyID. */ public int getCompanyID() { return this.companyID; } /** * Getter for property timestamp. * * @return Value of property timestamp. */ public Date getTimestamp() { return timestamp; } public void setTimestamp(Date timestamp) { this.timestamp = timestamp; } public String getLink() { return link; } public void setLink(String link) { this.link = link; } public int getUrlID() { return urlID; } public void setUrlID(int urlID) { this.urlID = urlID; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } public Date getStartDate() { return startDate; } public void setStartDate(Date startDate) { this.startDate = startDate; } public Date getEndDate() { return endDate; } public void setEndDate(Date endDate) { this.endDate = endDate; } /** * This method encodes some parts of a URI. If in the given URI a "[", "]", "{" or "}" are found, they * will be replaced by appropriate HEX-Identifiers. * See here for more information: * http://www.ietf.org/rfc/rfc3986.txt * http://stackoverflow.com/questions/40568/square-brackets-in-urls * http://www.blooberry.com/indexdot/html/topics/urlencoding.htm * * @return "cleaned" URI */ private String encodeURI(String uri) { // TODO Replace this version with a more generic approach. Now only one special // case is fixed. This method should convert ALL special characters. /* * Note: Using a generic method to URL-encode a String may lead to another problem: * The URLs found in the mailing may already be URL encoded (irrespective to some * of the dirty things, that got common practice, like "{" or "}" in URLs), so we * URL-encode an URL-encoded URI. * * This method should simply "clean" the given URL/URI and do no further encoding. * TODO: In this case, renaming of the method would be a great deal! */ uri = uri.replace("[", "%5B"); uri = uri.replace("]", "%5D"); uri = uri.replace("{", "%7B"); uri = uri.replace("}", "%7D"); return uri; } }