com.livinglogic.ul4.BoundStringMethodSplit.java Source code

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Here is the source code for com.livinglogic.ul4.BoundStringMethodSplit.java

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/*
** Copyright 2009-2014 by LivingLogic AG, Bayreuth/Germany
** All Rights Reserved
** See LICENSE for the license
*/

package com.livinglogic.ul4;

import java.util.List;
import java.util.Map;
import java.util.Arrays;

import org.apache.commons.lang.StringUtils;

public class BoundStringMethodSplit extends BoundMethod<String> {
    public BoundStringMethodSplit(String object) {
        super(object);
    }

    public String nameUL4() {
        return "str.split";
    }

    private static final Signature signature = new Signature("sep", null, "count", null);

    public Signature getSignature() {
        return signature;
    }

    public static List<String> call(String object) {
        return Arrays.asList(StringUtils.split(object));
    }

    public static List<String> call(String object, String separator) {
        if (separator == null)
            return call(object);
        return Arrays.asList(StringUtils.splitByWholeSeparatorPreserveAllTokens(object, separator));
    }

    public static List<String> call(String object, String separator, int maxsplit) {
        if (separator == null)
            return Arrays.asList(StringUtils.splitByWholeSeparator(object, null, maxsplit + 1));
        return Arrays.asList(StringUtils.splitByWholeSeparatorPreserveAllTokens(object, separator, maxsplit + 1));
    }

    public Object evaluate(BoundArguments args) {
        Object separator = args.get(0);
        Object maxsplit = args.get(1);

        if (maxsplit == null) {
            if (separator == null)
                return call(object, null);
            else if (separator instanceof String)
                return call(object, (String) separator);
        } else {
            if (separator == null)
                return call(object, null, Utils.toInt(maxsplit));
            else if (separator instanceof String)
                return call(object, (String) separator, Utils.toInt(maxsplit));
        }
        throw new ArgumentTypeMismatchException("{}.split({}, {})", object, separator, maxsplit);
    }
}