com.acc.populator.AbstractHttpRequestDataPopulator.java Source code

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Here is the source code for com.acc.populator.AbstractHttpRequestDataPopulator.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2013 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 * 
 *  
 */
package com.acc.populator;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;

/**
 * @author krzysztof.kwiatosz
 * 
 */
public abstract class AbstractHttpRequestDataPopulator {

    protected String updateStringValueFromRequest(final HttpServletRequest request, final String paramName,
            final String defaultValue) {
        final String requestParameterValue = getRequestParameterValue(request, paramName);
        if ("".equals(requestParameterValue)) {
            return null;
        }
        return StringUtils.defaultIfBlank(requestParameterValue, defaultValue);
    }

    protected boolean updateBooleanValueFromRequest(final HttpServletRequest request, final String paramName,
            final boolean defaultValue) {
        final String booleanString = updateStringValueFromRequest(request, paramName, null);
        if (booleanString == null) {
            return defaultValue;
        }
        return Boolean.parseBoolean(booleanString);
    }

    protected Double updateDoubleValueFromRequest(final HttpServletRequest request, final String paramName,
            final Double defaultValue) {
        final String booleanString = updateStringValueFromRequest(request, paramName, null);
        if (booleanString == null) {
            return defaultValue;
        }
        return Double.valueOf(booleanString);
    }

    protected String getRequestParameterValue(final HttpServletRequest request, final String paramName) {
        return request.getParameter(paramName);
    }
}