53 lines
2.5 KiB
Plaintext
53 lines
2.5 KiB
Plaintext
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In addition to samples for Nashorn javascript engine, this directory contains
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samples for Dynalink API (http://openjdk.java.net/jeps/276) as well. Dynalink
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linker samples require a jar file to be built and such jars be placed in the
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classpath of the jjs tool. Linker samples are named with the naming pattern
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"xyz_linker.js". These scripts build dynalink linker jar from java code and exec
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another jjs process with appropriate classpath set.
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Note: you need to build jdk9 forest and put "images/jdk/bin" in your PATH to use
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these scripts. This is because these scripts use javac to build dynalink jar and
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exec another jjs with classpath set! Alternatively, you can also manually build
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dynalink linker jars and invoke sample scripts by putting linker jar in jjs tool's
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classpath as well.
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Dynalink samples:
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* array_stream_linker.js
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This sample builds ArrayStreamLinkerExporter.java and uses it in a sample script
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called "array_stream.js". This linker adds "stream" property to Java array
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objects. The "stream" property returns appropriate Stream type for the given
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Java array (IntStream, DoubleStream ...).
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* buffer_indexing_linker.js
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This sample builds BufferIndexingLinkerExporter.java and uses it in a sample script
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called "buffer_index.js". This linker adds array-like indexed access, indexed assignment
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and "length" property to Java NIO Buffer objects. Script can treat NIO Buffer objects
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as if those are just array objects.
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* dom_linker.js
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This sample builds DOMLinkerExporter.java and uses it in a sample script
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called "dom_linker_gutenberg.js". This linker handles DOM Element objects to add
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properties to access child elements of a given element by child element tag name.
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This simplifies script access of parsed XML DOM Documents.
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* missing_method_linker.js
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This sample builds MissingMethodLinkerExporter.java and uses it in a sample script
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called "missing_method.js". This linker supports Smalltalk-style "doesNotUnderstand"
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calls on Java objects. i.e., A Java class can implement MissingMethodHandler interface
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with one method named "doesNotUnderstand". When script accesses a method on such
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object and if that method does not exist in the Java class (or any of it's supertypes),
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then "doesNotUnderstand" method is invoked.
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* underscore_linker.js
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This sample builds UnderscoreNameLinkerExporter.java and uses it in a sample script
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called "underscore.js". This linker converts underscore separated names to Camel Case
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names (as used in Java APIs). You can call Java APIs using Ruby-like naming convention
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and this linker converts method names to CamelCase!
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