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Merged
saqibmasood merged 1 commit into from
Oct 27, 2016
Merged

Added Shocase Project #5

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27 changes: 27 additions & 0 deletions Showcases/GroupDocs.Conversion-for-java-using-servlets/.classpath
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="target/classes" path="src/main/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="target/test-classes" path="src/test/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="org.eclipse.jst.component.dependency" value="/WEB-INF/lib"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="target/classes"/>
</classpath>
8 changes: 8 additions & 0 deletions Showcases/GroupDocs.Conversion-for-java-using-servlets/.gitignore
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/target/
/.idea/
*.iml

.DS_Store
Thumbs.db

*.lic
42 changes: 42 additions & 0 deletions Showcases/GroupDocs.Conversion-for-java-using-servlets/.project
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>conversion-servlets</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.wst.jsdt.core.javascriptValidator</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.wst.common.project.facet.core.builder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.m2e.core.maven2Builder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.wst.validation.validationbuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
<nature>org.eclipse.jdt.core.javanature</nature>
<nature>org.eclipse.m2e.core.maven2Nature</nature>
<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
</natures>
</projectDescription>
13 changes: 13 additions & 0 deletions Showcases/GroupDocs.Conversion-for-java-using-servlets/.settings/.jsdtscope
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry excluding="**/bower_components/*|**/node_modules/*|**/*.min.js" kind="src" path="src/main/webapp"/>
<classpathentry kind="src" path="target/m2e-wtp/web-resources"/>
<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.JRE_CONTAINER"/>
<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.WebProject">
<attributes>
<attribute name="hide" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.baseBrowserLibrary"/>
<classpathentry kind="output" path=""/>
</classpath>
8 changes: 8 additions & 0 deletions Showcases/GroupDocs.Conversion-for-java-using-servlets/.settings/org.eclipse.jdt.core.prefs
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eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
org.eclipse.jdt.core.compiler.compliance=1.7
org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
org.eclipse.jdt.core.compiler.source=1.7
4 changes: 4 additions & 0 deletions Showcases/GroupDocs.Conversion-for-java-using-servlets/.settings/org.eclipse.m2e.core.prefs
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activeProfiles=
eclipse.preferences.version=1
resolveWorkspaceProjects=true
version=1
9 changes: 9 additions & 0 deletions ...s/GroupDocs.Conversion-for-java-using-servlets/.settings/org.eclipse.wst.common.component
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<?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
<wb-module deploy-name="conversion-servlets">
<wb-resource deploy-path="/" source-path="/target/m2e-wtp/web-resources"/>
<wb-resource deploy-path="/" source-path="/src/main/webapp" tag="defaultRootSource"/>
<wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
<property name="context-root" value="conversion-servlets"/>
<property name="java-output-path" value="/conversion-servlets/target/classes"/>
</wb-module>
</project-modules>
12 changes: 12 additions & 0 deletions ...ion-for-java-using-servlets/.settings/org.eclipse.wst.common.project.facet.core.prefs.xml
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<root>
<facet id="jst.jsf">
<node name="libprov">
<attribute name="provider-id" value="jsf-no-op-library-provider"/>
</node>
</facet>
<facet id="jst.jaxrs">
<node name="libprov">
<attribute name="provider-id" value="jaxrs-no-op-library-provider"/>
</node>
</facet>
</root>
9 changes: 9 additions & 0 deletions ...onversion-for-java-using-servlets/.settings/org.eclipse.wst.common.project.facet.core.xml
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<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<fixed facet="wst.jsdt.web"/>
<installed facet="java" version="1.7"/>
<installed facet="jst.web" version="3.1"/>
<installed facet="jst.jsf" version="2.2"/>
<installed facet="jst.jaxrs" version="2.0"/>
<installed facet="wst.jsdt.web" version="1.0"/>
</faceted-project>
1 change: 1 addition & 0 deletions ....Conversion-for-java-using-servlets/.settings/org.eclipse.wst.jsdt.ui.superType.container
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org.eclipse.wst.jsdt.launching.baseBrowserLibrary
1 change: 1 addition & 0 deletions ...pDocs.Conversion-for-java-using-servlets/.settings/org.eclipse.wst.jsdt.ui.superType.name
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Window
2 changes: 2 additions & 0 deletions ...s/GroupDocs.Conversion-for-java-using-servlets/.settings/org.eclipse.wst.validation.prefs
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disabled=06target
eclipse.preferences.version=1
53 changes: 53 additions & 0 deletions Showcases/GroupDocs.Conversion-for-java-using-servlets/pom.xml
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>com.groupdocs.ui</groupId>
<artifactId>conversion-servlets</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>

<properties>
<maven.compiler.source>7</maven.compiler.source>
<maven.compiler.target>7</maven.compiler.target>
<failOnMissingWebXml>false</failOnMissingWebXml>
</properties>

<dependencies>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.groupdocs</groupId>
<artifactId>groupdocs-conversion</artifactId>
<version>3.0.0</version>
</dependency>
</dependencies>

<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>9.2.11.v20150529</version>
<configuration>
<httpConnector>
<!--host>localhost</host-->
<port>8080</port>
</httpConnector>
</configuration>
</plugin>
</plugins>
</build>

</project>

185 changes: 185 additions & 0 deletions ...oupDocs.Conversion-for-java-using-servlets/src/main/java/com/groupdocs/ui/Conversion.java
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package com.groupdocs.ui;

import com.groupdocs.conversion.License;
import com.groupdocs.conversion.config.ConversionConfig;
import com.groupdocs.conversion.converter.option.CellsSaveOptions;
import com.groupdocs.conversion.converter.option.HtmlSaveOptions;
import com.groupdocs.conversion.converter.option.ImageSaveOptions;
import com.groupdocs.conversion.converter.option.LoadOptions;
import com.groupdocs.conversion.converter.option.PdfSaveOptions;
import com.groupdocs.conversion.converter.option.SaveOptions;
import com.groupdocs.conversion.converter.option.SlidesSaveOptions;
import com.groupdocs.conversion.converter.option.WordsSaveOptions;
import com.groupdocs.conversion.domain.ConversionType;
import com.groupdocs.conversion.handler.ConversionHandler;
import com.groupdocs.foundation.utils.wrapper.stream.GroupDocsInputStream;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.SequenceInputStream;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

@WebServlet("/convert")
public class Conversion extends HttpServlet {

protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

// It is assumed that we are redirected here by Upload servlet

//Initializing Configuration
try{

//Applying License
License license = new License();
if (Files.isReadable(FileSystems.getDefault().getPath(getProjectProperty("license.path")))) {
license.setLicense(getProjectProperty("license.path"));
if (!License.isValidLicense()) {
throw new RuntimeException("License is not valid");
}
}

// We already know paths of source conversion-type
Path source = (Path) request.getSession().getAttribute("source");

// Setup Conversion configuration
ConversionConfig conversionConfig = new ConversionConfig();
conversionConfig.setStoragePath(source.getParent().toString());

//Getting conversion type
int conversionType = (int) request.getSession().getAttribute("conversion-type");

// Guess the extension of result file and set savOptions according to extention
SaveOptions saveOptions = new ImageSaveOptions();
String ext = "";
switch (conversionType) {
case ConversionType.WORDS:
ext = "docx";
saveOptions = new WordsSaveOptions();
break;
case ConversionType.CELLS:
ext = "xlsx";
saveOptions = new CellsSaveOptions();
break;
case ConversionType.PDF:
ext = "pdf";
saveOptions = new PdfSaveOptions();
break;
case ConversionType.SLIDES:
ext = "pptx";
saveOptions = new SlidesSaveOptions();
break;
case ConversionType.HTML:
ext = "html";
saveOptions = new HtmlSaveOptions();
break;
case ConversionType.IMAGE:
ext = "jpeg";
break;
}

//Inititalizing the Conversion Handler
ConversionHandler conversionHandler = new ConversionHandler(conversionConfig);
LoadOptions loadOptions = null;

//Checking output extension
if(ext == "jpeg"){
//Converting Document to Image
List<GroupDocsInputStream> converted = conversionHandler
.<List<GroupDocsInputStream>> convert(source.getFileName().toString(), new ImageSaveOptions());

List<Path> Pages = new ArrayList<Path>();
int i = 0;
for(GroupDocsInputStream SinglePage: converted){
//Creating temporary file to save Converted File data
Path Page = Files.createTempFile(Integer.toString(i) + "groupdocs-conversion-result-", "." + ext);

//Copying converted file data into temporary file
Files.copy(SinglePage.toInputStream(), Page, StandardCopyOption.REPLACE_EXISTING);

Pages.add(Page);
i++;
}
Path Zip = Files.createTempFile("groupdocs-conversion-result-", ".zip");
addImagesToZip(Pages, Zip);
request.getSession().setAttribute("result", Zip);

}
else{
//Converting Document
GroupDocsInputStream converted = conversionHandler.convert(source.getFileName().toString(), saveOptions);

//Creating temporary file to save Converted File data
Path result = Files.createTempFile("groupdocs-conversion-result-", "." + ext);

//Copying converted file data into temporary file
Files.copy(converted.toInputStream(), result, StandardCopyOption.REPLACE_EXISTING);


request.getSession().setAttribute("result", result);
}

}
catch (Exception exp) {
System.out.println("Exception: " + exp.getMessage());
exp.printStackTrace();
}

response.sendRedirect("download");

}

//Enclosing all pages in a zip file (While converting to Images only)
public void addImagesToZip(List<Path> Pages, Path ZipFile){
byte[] buffer = new byte[2048];
try{
FileOutputStream fileOutputStream = new FileOutputStream(ZipFile.toFile());
ZipOutputStream zipOutputStream = new ZipOutputStream(fileOutputStream);
for(Path Page : Pages){
ZipEntry zipEntry= new ZipEntry(Page.getFileName().toString());
zipOutputStream.putNextEntry(zipEntry);
FileInputStream fileInputStream = new FileInputStream(Page.toFile());
int length;
while ((length = fileInputStream.read(buffer)) > 0) {
zipOutputStream.write(buffer, 0, length);
}

fileInputStream.close();
}
zipOutputStream.closeEntry();
//remember close it
zipOutputStream.close();
}
catch(IOException ex){
ex.printStackTrace();
}
}

//Getting project properties
public static String getProjectProperty(String name) {
Properties properties = new Properties();
try (InputStream inputStream = Conversion.class.getResourceAsStream("/project.properties")) {
properties.load(inputStream);
} catch (IOException e) {
// Ignore
}
return properties.getProperty(name);
}
}

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