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Intro

A zoo-project java wps service example with dependencies jar.

This is a work in progress.

Files and Folders in the eclipse projects

WPS stuff

  • ZooJavaMain: contains the service class org.jgrasstools.ZooJavaWps.
  • ZooJavaDependency: the dependency project, from which a jar should be created. It contains a single utility class (org.jgrasstools.utils.Utilities) called by the main project
  • ZooJavaBuilder.zcfg: the zoo configuration file.

Raster

  • dtm.asc
  • dtm.prj
  • dtm.sld

which is a very small raster file. It is small but works well. This has to be used as input map.

Files and Folders in the ZOO environment

The structure of the data in the cgi-bin folder is:

.
├── libZOO.so                        -> from the zoo-api/java
├── ZOO.class                        -> from the zoo-api/java
├── zoojavatest                      -> folder cfg and jars from this project
│   ├── main.cfg
│   ├── zoo_java_dependency.jar
│   └── zoo_java_mainwps.jar
└── zoo_loader.cgi                   -> the main zoo cgi file

How to create the jars

The jars can be exported from eclipse by right-clicking on the project and using the export->Java->Jar file option.

  • ZooJavaMain -> is exported to -> zoo_java_mainwps.jar
  • ZooJavaDependency -> is exported to -> zoo_java_dependency.jar

Testing GetCapabilities

To check if the service is available:

http://127.0.0.1/cgi-bin/zoo_loader.cgi?ServiceProvider=&metapath=zoojavatest&Service=WPS&Request=GetCapabilities&Version=1.0.0

which should supply some xml containing also:

  <wps:ProcessOfferings>
    <wps:Process wps:processVersion="1">
      <ows:Identifier>ZooJavaBuilder</ows:Identifier>
      <ows:Title>ZooJavaTest</ows:Title>
      <ows:Abstract>It tests for java stuff.</ows:Abstract>
      <ows:Metadata xlink:title="It tests for java stuff 2."/>
    </wps:Process>
  </wps:ProcessOfferings>

Testing Execution

Execution of the service can be triggered through:

http://127.0.0.1/cgi-bin/zoo_loader.cgi?ServiceProvider=&metapath=zoojavatest&Service=WPS&Request=Execute&Version=1.0.0&Identifier=ZooJavaBuilder&DataInputs=inPath=/mypath/dtm.asc

This should ideally run the module and launch and exception complaining about the path to the input file /mypath/dtm.asc not existing.