1de5e7c00e
Replaced gel with grel in other places in the code base while maintaining backward compatibility. Changed layout in expression preview dialog to accommodate long GREL name. git-svn-id: http://google-refine.googlecode.com/svn/trunk@1442 7d457c2a-affb-35e4-300a-418c747d4874
40 lines
1.2 KiB
Java
40 lines
1.2 KiB
Java
package com.google.refine.expr.functions.strings;
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import java.util.Properties;
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import org.json.JSONException;
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import org.json.JSONTokener;
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import org.json.JSONWriter;
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import com.google.refine.expr.EvalError;
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import com.google.refine.grel.ControlFunctionRegistry;
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import com.google.refine.grel.Function;
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public class ParseJson implements Function {
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public Object call(Properties bindings, Object[] args) {
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if (args.length >= 1) {
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Object o1 = args[0];
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if (o1 != null) {
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try {
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return new JSONTokener(o1.toString()).nextValue();
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} catch (JSONException e) {
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return new EvalError(ControlFunctionRegistry.getFunctionName(this) + " failed: " + e.getMessage());
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}
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}
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}
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return null;
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}
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public void write(JSONWriter writer, Properties options)
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throws JSONException {
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writer.object();
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writer.key("description"); writer.value("Parses a string as JSON");
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writer.key("params"); writer.value("string s");
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writer.key("returns"); writer.value("JSON object");
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writer.endObject();
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}
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}
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