psiprobe.jsp.OutTag.java Source code

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Here is the source code for psiprobe.jsp.OutTag.java

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/**
 * Licensed under the GPL License. You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 *
 * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE.
 */
package psiprobe.jsp;

import org.apache.commons.lang3.StringEscapeUtils;

import java.io.IOException;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.BodyTagSupport;

/**
 * The Class OutTag.
 */
public class OutTag extends BodyTagSupport {

    /** The Constant serialVersionUID. */
    private static final long serialVersionUID = 1L;

    /** The max length. */
    private int maxLength = -1;

    /** The ellipsis right. */
    private boolean ellipsisRight = true;

    /** The value. */
    private Object value;

    /**
     * Gets the value.
     *
     * @return the value
     */
    public Object getValue() {
        return value;
    }

    /**
     * Sets the value.
     *
     * @param value the new value
     */
    public void setValue(Object value) {
        this.value = value;
    }

    /**
     * Gets the max length.
     *
     * @return the max length
     */
    public int getMaxLength() {
        return maxLength;
    }

    /**
     * Sets the max length.
     *
     * @param maxLength the new max length
     */
    public void setMaxLength(int maxLength) {
        this.maxLength = maxLength;
    }

    /**
     * Checks if is ellipsis right.
     *
     * @return true, if is ellipsis right
     */
    public boolean isEllipsisRight() {
        return ellipsisRight;
    }

    /**
     * Sets the ellipsis right.
     *
     * @param ellipsisRight the new ellipsis right
     */
    public void setEllipsisRight(boolean ellipsisRight) {
        this.ellipsisRight = ellipsisRight;
    }

    @Override
    public int doStartTag() throws JspException {
        if (value != null) {
            print(value.toString(), pageContext.getOut());
            return SKIP_BODY;
        }
        return super.doStartTag();
    }

    @Override
    public int doAfterBody() throws JspException {
        print(getBodyContent().getString().trim(), getBodyContent().getEnclosingWriter());
        return SKIP_BODY;
    }

    /**
     * Prints the.
     *
     * @param displayValue the display value
     * @param out the out
     * @throws JspException the jsp exception
     */
    private void print(String displayValue, JspWriter out) throws JspException {
        try {
            if (maxLength != -1 && displayValue.length() > maxLength) {
                String newValue;
                if (ellipsisRight) {
                    newValue = displayValue.substring(0, maxLength - 3) + "...";
                } else {
                    newValue = "..." + displayValue.substring(displayValue.length() - maxLength + 3);
                }
                String title = StringEscapeUtils.escapeHtml4(displayValue);
                out.print("<span title=\"" + title + "\">" + newValue + "</span>");
            } else {
                out.print(displayValue);
            }
        } catch (IOException e) {
            throw new JspException(e);
        }
    }

}