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Rhino JavaScript Java Library Source Code
Rhino JavaScript Java Library is an open-source implementation of JavaScript written entirely in Java.
Rhino JavaScript Java Library Source Code files are provided in binary package (rhino-1.7.14.zip).
You can also browse the source code below:
✍: FYIcenter.com
⏎ org/mozilla/javascript/JavaToJSONConverters.java
/* -*- Mode: java; tab-width: 4; indent-tabs-mode: 1; c-basic-offset: 4 -*- * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ package org.mozilla.javascript; import java.beans.BeanDescriptor; import java.beans.BeanInfo; import java.beans.IntrospectionException; import java.beans.Introspector; import java.beans.PropertyDescriptor; import java.util.Collections; import java.util.LinkedHashMap; import java.util.function.UnaryOperator; /** * This class provides implementations of converters for Java objects to be used by the * JSON.stringify method. * * <p>JSON.stringify will automatically convert instances of java.util.Map to javascript objects. * Instances of java.util.Collection and java Arrays will be converted to javascript arrays. * * <p>This is a final effort at conversion for other java objects that appear as values, and may be * preempted by objects which define a toJSON() method or by a replacer function passed to * JSON.stringify. The return value will, in turn, be converted according to {@link * Context#javaToJS} and stringified. * * @author Tony Germano */ public class JavaToJSONConverters { private JavaToJSONConverters() {} /** Convert Object to its toString() value. */ public static final UnaryOperator<Object> STRING = o -> o.toString(); /** Always return undefined */ public static final UnaryOperator<Object> UNDEFINED = o -> Undefined.instance; /** Always return an empty object */ public static final UnaryOperator<Object> EMPTY_OBJECT = o -> Collections.EMPTY_MAP; /** Throw a TypeError naming the class that could not be converted */ public static final UnaryOperator<Object> THROW_TYPE_ERROR = o -> { throw ScriptRuntime.typeErrorById( "msg.json.cant.serialize", o.getClass().getName()); }; /** * Convert JavaBean to an object as long as it has at least one readable property * * <p>If unable to determine properties or if none exist, null is returned. This method can be * called from other converters to provide an alternate value on a returned null. */ public static final UnaryOperator<Object> BEAN = value -> { BeanInfo beanInfo; try { beanInfo = Introspector.getBeanInfo(value.getClass(), Object.class); } catch (IntrospectionException e) { return null; } LinkedHashMap<String, Object> properties = new LinkedHashMap<String, Object>(); for (PropertyDescriptor descriptor : beanInfo.getPropertyDescriptors()) { if (descriptor.getReadMethod() == null) continue; Object propValue; try { propValue = descriptor.getReadMethod().invoke(value); } catch (Exception e) { continue; } properties.put(descriptor.getName(), propValue); } if (properties.size() == 0) return null; LinkedHashMap<String, Object> obj = new LinkedHashMap<String, Object>(); BeanDescriptor beanDescriptor = beanInfo.getBeanDescriptor(); obj.put("beanClass", beanDescriptor.getBeanClass().getName()); obj.put("properties", properties); return obj; }; }
⏎ org/mozilla/javascript/JavaToJSONConverters.java
Or download all of them as a single archive file:
File name: rhino-1.7.14-sources.jar File size: 1029165 bytes Release date: 2022-01-06 Download
⇒ Example code to Test rhino-runtime-1.7.14.jar
⇐ Download Rhino JavaScript Binary Package
2022-05-03, 36178👍, 1💬
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