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    • info.novatec.testit.livingdoc.converter.ArrayConverter Maven / Gradle / Ivy

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    /* Copyright (c) 2006 Pyxis Technologies inc.
 * 
 * This is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 * 
 * This software is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the FSF site:
 * http://www.fsf.org. */

package info.novatec.testit.livingdoc.converter;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang3.StringUtils;

import info.novatec.testit.livingdoc.TypeConversion;
import info.novatec.testit.livingdoc.util.CollectionUtil;


public class ArrayConverter implements TypeConverter {
    protected final String separators;

    public ArrayConverter() {
        this(",");
    }

    public ArrayConverter(String separators) {
        this.separators = separators;
    }

    @Override
    public Object parse(String value, Class< ? > type) {
        String text = removeSquareBrackets(value);

        List values = new ArrayList();
        if (StringUtils.isBlank(text)) {
            return CollectionUtil.toArray(values, type.getComponentType());
        }

        String[] parts = text.split(separators);
        for (String part : parts) {
            values.add(TypeConversion.parse(part.trim(), type.getComponentType()));
        }

        return CollectionUtil.toArray(values, type.getComponentType());
    }

    protected String removeSquareBrackets(String value) {
        if (value.startsWith("[") && value.endsWith("]")) {
            return value.substring(1, value.length() - 1);
        }
        return value;
    }

    @Override
    public String toString(Object value) {
        Object[] array = ( Object[] ) value;

        if (array.length == 0) {
            return "";
        }

        StringBuilder builder = new StringBuilder();

        builder.append(TypeConversion.toString(array[0]));
        if (array.length == 1) {
            return builder.toString();
        }

        for (int i = 1; i < array.length; i ++ ) {
            builder.append(", ").append(TypeConversion.toString(array[i]));
        }
        return builder.toString();

    }

    @Override
    public boolean canConvertTo(Class< ? > type) {
        return isArray(type) && TypeConversion.supports(type.getComponentType()) && ! type.getComponentType().isPrimitive();
    }

    protected boolean isArray(Class< ? > type) {
        return type.getComponentType() != null;
    }
}
    
    
    
    

    




    
    
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