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August 16, 2019 12:48
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Object.toString alternative. A universal "toString" JavaScript function for any Java Object. Works on nashorn, nudge4j and can be called from Java 8
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function toString(oj) { | |
if (oj == null) return 'null'; | |
if (Java.isJavaObject(oj)==false) return 'Error: not a Java Object'; | |
try { | |
java.lang.Class.forName('org.apache.commons.lang3.builder.ReflectionToStringBuilder'); | |
} catch (e) { | |
var url = new java.net.URL('http://central.maven.org/maven2/org/apache/commons/commons-lang3/3.0/commons-lang3-3.0.jar'); | |
var ucl = java.lang.Class.forName('java.net.URLClassLoader'); | |
var addURL = ucl.getDeclaredMethod("addURL", [ url.getClass() ]); | |
addURL.setAccessible(true); | |
addURL.invoke(java.lang.ClassLoader.getSystemClassLoader(), url ); | |
addURL.setAccessible(false); | |
} | |
var MULTI_LINE_STYLE = Java.type('org.apache.commons.lang3.builder.ToStringStyle').MULTI_LINE_STYLE; | |
var ReflectionToStringBuilder = Java.type('org.apache.commons.lang3.builder.ReflectionToStringBuilder'); | |
return ReflectionToStringBuilder.toString(oj, MULTI_LINE_STYLE, true,true); | |
} |
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