jhc.redsniff.wicket.ByWicketPath.java Source code

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Here is the source code for jhc.redsniff.wicket.ByWicketPath.java

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/*******************************************************************************
 * Copyright 2014 JHC Systems Limited
 *
 * 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.
 *******************************************************************************/
package jhc.redsniff.wicket;

import java.util.List;

import org.openqa.selenium.By;
import org.openqa.selenium.SearchContext;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.internal.FindsByXPath;

public final class ByWicketPath extends By {

    private final String xpathExpression;
    private final String wicketPath;

    /**
     * Creates a new instance of {@link ByWicketPath}.
     * @param wicketPath the wicket path (eg: "id1:id2:id3")
     */
    private ByWicketPath(String wicketPath) {
        this.wicketPath = wicketPath;
        this.xpathExpression = convert(wicketPath);
    }

    /**
     * Factory method to create this specific By.
     * @param wicketXPath the wicket path (eg: "id1:id2:id3")
     * @return By of type ByWicketPath
     */
    public static By byWicketXPath(String wicketXPath) {
        return new ByWicketPath(wicketXPath);
    }

    private String convert(String wicketPath) {
        return wicketPath.replaceAll("\\w\\{(.*?)\\}", "*[@*[name()='wicket:id']='$1']");
    }

    @Override
    public List<WebElement> findElements(SearchContext context) {
        return ((FindsByXPath) context).findElementsByXPath(xpathExpression);
    }

    @Override
    public WebElement findElement(SearchContext context) {
        return ((FindsByXPath) context).findElementByXPath(xpathExpression);
    }

    @Override
    public String toString() {
        return "By.wicketPath: " + wicketPath;
    }

    public static By byWicketPath(String wicketPath) {
        return byWicketXPath(convertToWicketXPath(wicketPath));
    }

    public static String convertToWicketXPath(String wicketFormatPath) {
        return addXpathW(increaseEachNumberByOne(
                convertDigitsToUseSquareBrackets(replaceColonsWithBraces(wicketFormatPath))));
    }

    private static String addXpathW(String string) {
        return string.replaceAll("\\{", "//w\\{");
    }

    private static String replaceColonsWithBraces(String wicketFormatPath) {
        return wicketFormatPath.replaceAll("([^:]+)", "\\{$1\\}").replaceAll("\\:", "");
    }

    private static String increaseEachNumberByOne(String wicketFormatPath) {
        StringBuffer buff = new StringBuffer();
        boolean inBrackets = false;
        int currentNumber = 0;
        int radix = -1;
        for (int i = 0; i < wicketFormatPath.length(); i++) {
            char c = wicketFormatPath.charAt(i);

            if (!inBrackets)
                buff.append(c);

            if (c == '[')
                inBrackets = true;

            else if (c == ']') {
                inBrackets = false;
                buff.append(++currentNumber).append("]");
                currentNumber = 0;
                radix = -1;
            } else if (inBrackets) {
                int digit = c - '0';
                radix++;
                currentNumber = (int) (Math.pow(10d, (double) radix)) * currentNumber + digit;
            }

        }
        return buff.toString();
    }

    static String convertDigitsToUseSquareBrackets(String string) {
        return string.replaceAll("\\{(\\d+)\\}", "\\[$1\\]");
    }

}