Re: JDOM and Android

The other approach is to copy the assets to the file system when the apk is
first started and then read the resources from the file system at runtime.

The file system URLs are of the form /data/data/<package-id>/files/

See
http://developer.android.com/reference/android/content/Context.html#getFilesDir()


--Joe

On Mon, Apr 16, 2012 at 9:51 PM, Rolf Lear wrote:

> I have been down that road, and it does not work....
>
> Because the file URL's are still not readable.... here's a test trace...
> Note how the failure is buried in a 'caused by' where the important lines
> are:
>
> Caused by: java.io.FileNotFoundException: /android_asset/xsdcomplex/**multi_main.xsd:
> open failed: ENOENT (No such file or directory)
> at libcore.io.IoBridge.open(**IoBridge.java:406)
> at java.io.FileInputStream.<init>**(FileInputStream.java:78)
> at libcore.net.url.**FileURLConnection.connect(**
> FileURLConnection.java:82)
> at libcore.net.url.**FileURLConnection.**getInputStream(**
> FileURLConnection.java:181)
> at java.net.URL.openStream(URL.**java:462)
> at org.jdom2.input.sax.**XMLReaderXSDFactory.**getSchemaFromURL(**
> XMLReaderXSDFactory.java:195)
> ... 15 more
>
>
>
> org.jdom2.JDOMException: Unable to read Schema URL file:///android_asset/*
> *xsdcomplex/multi_main.xsd
> at org.jdom2.input.sax.**XMLReaderXSDFactory.**getSchemaFromURL(**
> XMLReaderXSDFactory.java:197)
> at org.jdom2.input.sax.**XMLReaderXSDFactory.<init>(**
> XMLReaderXSDFactory.java:272)
> at org.jdom2.test.cases.input.**sax.TestXMLReaderXSDFactory.**
> testXMLReaderXSDFactoryFileArr**ay(TestXMLReaderXSDFactory.**java:80)
> at org.jdom2.test.cases.input.**sax.TestXMLReaderXSDFactoryTT.**
> testXMLReaderXSDFactoryFileArr**ay(TestXMLReaderXSDFactoryTT.**java:28)
> at java.lang.reflect.Method.**invokeNative(Native Method)
> at android.test.**AndroidTestRunner.runTest(**AndroidTestRunner.java:169)
> at android.test.**AndroidTestRunner.runTest(**AndroidTestRunner.java:154)
> at android.test.**InstrumentationTestRunner.**onStart(**
> InstrumentationTestRunner.**java:545)
> at android.app.Instrumentation$**InstrumentationThread.run(**
> Instrumentation.java:1551)
> Caused by: java.io.FileNotFoundException: /android_asset/xsdcomplex/**multi_main.xsd:
> open failed: ENOENT (No such file or directory)
> at libcore.io.IoBridge.open(**IoBridge.java:406)
> at java.io.FileInputStream.<init>**(FileInputStream.java:78)
> at libcore.net.url.**FileURLConnection.connect(**
> FileURLConnection.java:82)
> at libcore.net.url.**FileURLConnection.**getInputStream(**
> FileURLConnection.java:181)
> at java.net.URL.openStream(URL.**java:462)
> at org.jdom2.input.sax.**XMLReaderXSDFactory.**getSchemaFromURL(**
> XMLReaderXSDFactory.java:195)
> ... 15 more
> Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or
> directory)
> at libcore.io.Posix.open(Native Method)
> at libcore.io.BlockGuardOs.open(**BlockGuardOs.java:110)
> at libcore.io.IoBridge.open(**IoBridge.java:390)
> ... 20 more
>
>
>
>
>
> On 17/04/2012 12:00 AM, Joe Bowbeer wrote:
>
>> You'll need to put the data in assets
>>
>> http://stackoverflow.com/**questions/4820816/how-to-get-**
>> uri-from-an-asset-file<http://stackoverflow.com/questions/4820816/how-to-get-uri-from-an-asset-file>
>>
>> http://stackoverflow.com/**questions/4789325/android-**
>> path-to-asset-txt-file<http://stackoverflow.com/questions/4789325/android-path-to-asset-txt-file>
>>
>> and use getResources().getAssets().**open()
>>
>> Or you could put the data in res/raw and use
>> getResources().**openRawResource()
>>
>> .. but res/raw does not support a nested file structure.
>>
>> Or maybe you could do something crazy with a custom class loader:
>>
>> http://android-developers.**blogspot.com/2011/07/custom-**
>> class-loading-in-dalvik.html<http://android-developers.blogspot.com/2011/07/custom-class-loading-in-dalvik.html>
>>
>>
>> --Joe
>>
>>
>> On Mon, Apr 16, 2012 at 8:08 PM, Rolf Lear <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>>    Hi all.
>>
>>    I am having some limited success with the Android testing. I have
>>    run in to an issue through which could really use some input from
>>    experienced Android developers.
>>
>>    Are there any on JDOM-interest with some time to spare?
>>
>>    My issue right now is that the JUnit tests are mostly passing, but a
>>    number of them rely on using
>>    ClassLoader.getSystemResource(**__"path/to/file.xml") to load
>>
>>    resources as a URL.
>>
>>    It is improtant to keep it as a URL because many of these tests rely
>>    on internal DTD's and XSD's, which, in turn mean that when they are
>>    processed the input file's URL will be used as a base for a relative
>>    location of the DTD/XSD.
>>
>>    In other words, I need to keep access to these files as a URL....
>>
>>    But, ClassLoader.getSystemResource(**__...)  is returning null on
>> Android.
>>
>>
>>    I think it is related to
>>    http://code.google.com/p/__**android/issues/detail?id=10076<http://code.google.com/p/__android/issues/detail?id=10076>
>>
>>    <http://code.google.com/p/**android/issues/detail?id=10076<http://code.google.com/p/android/issues/detail?id=10076>
>> **>
>>
>>    But, I can't find a good way to work around the issue....
>>
>>    So, If there's some experienced Android developer who can shed some
>>    light in to this particular dark place, I would appreciate it.
>>
>>    For the record, I have a full test-suite available for any Android
>>    developers who happen to use eclipse. It fully compiled, loads, and
>>    I am running a 'Test' Project on a 4.0.3 emulator.
>>
>>    I can, in theory, help you bootstrap the environment in your eclipse
>>    pretty easily... if needed.
>>
>>    Rolf
>>
>>
>

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