Application: gvSIG desktop » Library: org.gvsig.tools

package org.gvsig.tools.util;

import org.apache.commons.lang3.StringUtils;

public class LabeledValueImpl<T> implements LabeledValue<T> , Comparable {

    protected String label;

    protected T value;

    protected int maxlen;

    public LabeledValueImpl(String label, T value, int maxlen) {

        this.label = label;

        this.value = value;

        this.maxlen = maxlen;

    }

    public LabeledValueImpl(String label, T value) {

        this(label,value,-1);

    }

    @Override

    public String toString() {

        return this.getLabel();

    }

    @Override

    public T getValue() {

        return this.value;

    }

    @Override

    public String getLabel() {

        if( this.maxlen<0 ) {

            return this.label;

        }

        return StringUtils.abbreviate(this.label,this.maxlen);

    }

    @Override

    @SuppressWarnings("StringEquality")

    public int compareTo(Object other) {

        String otherLabel = null;

        if( other!=null ) {

            otherLabel = other.toString();

        }

        String thisLabel = this.getLabel();

        if (thisLabel== otherLabel) {

            return 0;

        } else if (thisLabel== null) {

            return -1;

        } else if (otherLabel == null) {

            return 1;

        }

        return thisLabel.compareTo(otherLabel);        

    }

}