Hi Maurits, I've achieved what you're looking for, but it wasn't easy. If anyone has a better solution, I'm all ears.
First of all, to do it manually, you can Right-click any project in Eclipse and Export it to a JAR file - which can then be saved in your GAE lib/ folder. But, this has to be done each time you make a change. I'm currently using Maven in Eclipse to manage and build my projects (this copies those external JAR files each time) and then the maven- antrun-plugin to call the GAE command line scripts that run/upload my project. Now that it's set up, it is a single click to run/upload, despite being dependent on several other Eclipse Projects and 3rd Party plugins. This website was the most helpful in setting that up: http://twelves.blogspot.com/2009/04/google-appengine-maven-pom.html Most notably, I did not use the maven-gae-plugin that is mentioned frequently around the interwebs - I was never able to get it working properly. I've pasted the applicable bits of my Maven POM file below - that might be helpful. This is all based on MacOS commands, but I believe Windows is similar. If you choose not to use Maven, the applicable ANT bits will still be helpful. Good Luck! Jake <project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi="http:// www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd";> <groupId>org.example</groupId> <artifactId>project</artifactId> <packaging>war</packaging> <properties> <gae.sdk.location>/Applications/eclipse/plugins/ com.google.appengine.eclipse.sdkbundle.1.3.0_1.3.0.v200912141120/ appengine-java-sdk-1.3.0</gae.sdk.location> </properties> <repositories> <repository> <id>MVNSearch</id> <name>MVNSearch</name> <url>http://www.mvnsearch.org/maven2</url> </repository> <repository> <id>DataNucleus</id> <url>http://www.datanucleus.org/downloads/maven2/</url> </repository> </repositories> <dependencies> <dependency> <groupId>com.google.appengine</groupId> <artifactId>appengine-api-1.0-labs</artifactId> <version>1.3.0</version> </dependency> <dependency> <groupId>com.google.appengine.orm</groupId> <artifactId>datanucleus-appengine</artifactId> <version>1.0.4.1</version> <exclusions> <exclusion> <artifactId>datanucleus-core</artifactId> <groupId>org.datanucleus</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.datanucleus</groupId> <artifactId>datanucleus-core</artifactId> <version>1.1.6</version> </dependency> <dependency> <groupId>org.datanucleus</groupId> <artifactId>datanucleus-jpa</artifactId> <version>1.1.5</version> </dependency> <dependency> <groupId>org.example</groupId> <artifactId>otherproject</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> </dependencies> <build> <finalName>${project.artifactId}</finalName> <resources> <resource> <filtering>false</filtering> <directory>src/main/resources</directory> </resource> <resource> <filtering>false</filtering> <directory>src/main/java</directory> <includes> <include>**</include> </includes> <excludes> <exclude>**/*.java</exclude> </excludes> </resource> <resource> <directory>src/main/webapp/</directory> <includes> <include>**/*.xml</include> </includes> </resource> </resources> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <configuration> <warSourceDirectory>${basedir}/src/main/webapp</ warSourceDirectory> </configuration> </plugin> <plugin> <groupId>org.datanucleus</groupId> <artifactId>maven-datanucleus-plugin</artifactId> <version>1.1.4</version> <configuration> <excludes> <exclude>org.datanucleus:datanucleus-core</exclude> <exclude>org.datanucleus:datanucleus-jpa</exclude> </excludes> <verbose>true</verbose> <api>JPA</api> <mappingIncludes>**/*.jdo, **/model/**.class, **/*.class</ mappingIncludes> <enhancerName>ASM</enhancerName> </configuration> <executions> <execution> <id>compile</id> <phase>compile</phase> <goals> <goal>enhance</goal> </goals> </execution> </executions> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-antrun-plugin</artifactId> <executions> <execution> <id>Kill</id> <phase>clean</phase> <configuration> <tasks if="appengine.kill"> <echo message="Killing previous server (if any)" /> <exec executable="sh"> <arg value="-c" /> <arg value="ps ax | grep com.google.appengine.tools.KickStart | grep -v grep | awk '{print $1}' | xargs kill" /> </exec> </tasks> </configuration> <goals> <goal>run</goal> </goals> </execution> <execution> <id>Upload</id> <phase>install </phase> <configuration> <tasks if="appengine.upload"> <echo message="Uploading to Google App Engine..." /> <java fork="false" classname="com.google.appengine.tools.admin.AppCfg"> <sysproperty key="appengine.sdk.root" value="$ {gae.sdk.location}" /> <classpath> <fileset dir="${gae.sdk.location}"> <include name="**/*.jar" /> </fileset> </classpath> <arg value="--passin" /> <arg value="update" /> <arg value="${basedir}/target/${project.artifactId}" /> </java> </tasks> </configuration> <goals> <goal>run</goal> </goals> </execution> <execution> <id>Start</id> <phase>install </phase> <configuration> <tasks if="appengine.start"> <echo message="Starting Local Google Server..." /> <java fork="true" classname="com.google.appengine.tools.KickStart" classpath="${gae.sdk.location}/lib/appengine-tools-api.jar" failonerror="true"> <arg value="com.google.appengine.tools.development.DevAppServerMain" /> <arg value="${basedir}/target/${project.artifactId}" /> </java> </tasks> </configuration> <goals> <goal>run</goal> </goals> </execution> <!-- Connect to Debug in Eclipse by using Run->Debug->Remote Java Application (using default properties) in Eclipse. --> <execution> <id>Debug</id> <phase>install </phase> <configuration> <tasks if="appengine.debug"> <echo message="Starting Local Google Server with Debugging Enabled..." /> <java fork="true" classname="com.google.appengine.tools.KickStart" classpath="${gae.sdk.location}/lib/appengine-tools-api.jar" failonerror="false"> <arg line="--jvm_flag=-Xdebug --jvm_flag=- Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n com.google.appengine.tools.development.DevAppServerMain ${basedir}/ target/${project.artifactId}" /> </java> </tasks> </configuration> <goals> <goal>run</goal> </goals> </execution> </executions> <version>1.3</version> </plugin> </plugins> </build> </project> On Jan 21, 4:42 am, Maurits <mvanbeuse...@themobilebrand.com> wrote: > Hi all, > > I am an experienced .NET developer but new to JAVA and Eclipse. I am > currently experimenting with JAVA and the GAE with plans to start > making more use of the GAE since I really like what is offered (Google > keep up the good work ;)). > > However I am running into a problem, I would like to build an > application using multiple layers (currently a Presentation layer, > Service layer, Business layer and a Data layer). My presentation layer > is a GAE project created using the Eclipse plug-in, the other layers > are all normal JAVA projects I created in the same workspace (so I > have 4 separate projects). Now I managed to get everything compile > correctly by referencing all projects with each other using the Java > Build Path -> Projects dialog window. > > However when I run the application I run into the problem that the > Presentation layer cannot find the classed from my Service layer > project. I figured out that I need to manually copy the output classes > from the Service (and others) layer into the WEB-INF/lib folder to get > it working (preferably packed into a JAR file). > > My question is, can this be somehow automated? I read some information > about using an ANT script to do so, but since I am a bit spoiled with > Visual Studio (who does this automatically when I make the reference) > I have no clue on how to start, I don't even know how to automatically > pack the class files from the Service, Business and Data layers into a > JAR file. > > Is there someone who can get me started? > > Many thanks, > > Maurits -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
