Command usage

[Thomas Daly]

Hello,

Thank you for this project.

I would like to use the tools to convert a GEDCOM file to JSON.

I understand that the command I need is

mvn exec:java -Dexec.mainClass=org.folg.gedcom.tools.Gedcom2Json.java -Dexec.args="<args>"

Please could you document what the available arguments are (to replace <args> above)?

Many thanks.



[Thomas Daly]

I tried guessing what the arguments might be.  The response is below.  It's a shame the documentation is so poor, as it makes the software unusable.

admin@bramber:~/Gedcom-master$ mvn exec:java -Dexec.mainClass=org.folg.gedcom.tools.Gedcom2Json.java -Dexec.args="-i /home/admin/Gedcom-master/rackman.ged -o /home/admin/Gedcom-master/rackman.json"
[INFO] Scanning for projects...
[INFO] Searching repository for plugin with prefix: 'exec'.
[INFO] ------------------------------------------------------------------------
[INFO] Building gedcom
[INFO]    task-segment: [exec:java]
[INFO] ------------------------------------------------------------------------
[INFO] Preparing exec:java
[INFO] No goals needed for project - skipping
[INFO] [exec:java {execution: default-cli}]
[WARNING]
java.lang.ClassNotFoundException: org.folg.gedcom.tools.Gedcom2Json.java
        at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
        at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:285)
        at java.lang.Thread.run(Thread.java:679)
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] An exception occured while executing the Java class. org.folg.gedcom.tools.Gedcom2Json.java

[INFO] ------------------------------------------------------------------------
[INFO] For more information, run Maven with the -e switch
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 6 seconds
[INFO] Finished at: Thu Sep 05 11:43:35 BST 2013
[INFO] Final Memory: 7M/18M
[INFO] ------------------------------------------------------------------------
admin@bramber:~/Gedcom-master$                                

[Dallan Quass]

I've been out of town this week and haven't had a chance to look into your question. I'm getting back tonight and will update the documentation tomorrow.

Dallan

Sent from my iPhone

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[Dallan Quass]

I've improved the instructions for running the tools in the README.  In this case, you need to remove the .java extension from Gedcom2Json.

 

Dallan

[Thomas Daly]

Many thanks for your help.  I will have another go shortly and let you know if I have any more problems (sorry!)

[Thomas Daly]

Hi Dallan,

I successfully used your tool to create a JSON file from GEDCOM.  I would like to produce a hierarchical diagram from the data such as a vertical pedigree/descendant chart on a website - each box being represented by an HTML <div> element for example.  I am unsure about how to traverse the data in code to achieve this.  I wonder if you know of any outline approach or psuedocode that might help?

Many thanks,
Thomas

[Dallan Quass]

The data is recursive: persons link to families and families link to persons.  So you might start with a person, then call person.getParentFamilies(gedcom) to get a list of Family objects, then for each Family object you could call family.getHusbands(gedcom) to get a list of (probably 0 or 1) husband person objects, and family.getWives(gedcom) to get a list of (probably 0 or 1) wife person objects, and then recursively call your function on each of the husband and wife people to get their parents.