com.khs.sherpa.parser.StringParamParser.java Source code

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package com.khs.sherpa.parser;

/*
* Copyright 2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

import org.apache.commons.lang3.StringEscapeUtils;

import com.khs.sherpa.annotation.Encode;
import com.khs.sherpa.annotation.Param;
import com.khs.sherpa.util.SettingsContext;

public class StringParamParser implements ParamParser<String> {

    public String parse(String value, Param annotation, Class<?> clazz) {
        String format = annotation.format();

        if (format == null || format.equals("")) {
            format = SettingsContext.getSettings().encode;
        }

        return this.applyEncoding(value, format);
    }

    public boolean isValid(Class<?> clazz) {
        return clazz.isAssignableFrom(String.class);
    }

    private String applyEncoding(String value, String format) {
        String result = value;
        if (format != null) {
            if (format.equals(Encode.XML)) {
                result = StringEscapeUtils.escapeXml(value);
            } else if (format.equals(Encode.HTML)) {
                result = StringEscapeUtils.escapeHtml4(value);
            } else if (format.equals(Encode.CSV)) {
                result = StringEscapeUtils.escapeCsv(value);
            }
        }

        return result;
    }
}