Example usage for com.liferay.portal.kernel.diff CompareVersionsException CompareVersionsException

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.diff CompareVersionsException CompareVersionsException.

Prototype

public CompareVersionsException(Throwable cause) 

Source Link

Usage

From source file:com.liferay.journal.util.impl.JournalUtil.java

License:Open Source License

public static String diffHtml(long groupId, String articleId, double sourceVersion, double targetVersion,
        String languageId, PortletRequestModel portletRequestModel, ThemeDisplay themeDisplay)
        throws Exception {

    JournalArticle sourceArticle = JournalArticleLocalServiceUtil.getArticle(groupId, articleId, sourceVersion);

    if (!JournalArticleLocalServiceUtil.isRenderable(sourceArticle, portletRequestModel, themeDisplay)) {

        throw new CompareVersionsException(sourceVersion);
    }/*from   www . j  av  a2s. c om*/

    JournalArticleDisplay sourceArticleDisplay = JournalArticleLocalServiceUtil.getArticleDisplay(sourceArticle,
            null, Constants.VIEW, languageId, 1, portletRequestModel, themeDisplay);

    JournalArticle targetArticle = JournalArticleLocalServiceUtil.getArticle(groupId, articleId, targetVersion);

    if (!JournalArticleLocalServiceUtil.isRenderable(targetArticle, portletRequestModel, themeDisplay)) {

        throw new CompareVersionsException(targetVersion);
    }

    JournalArticleDisplay targetArticleDisplay = JournalArticleLocalServiceUtil.getArticleDisplay(targetArticle,
            null, Constants.VIEW, languageId, 1, portletRequestModel, themeDisplay);

    return DiffHtmlUtil.diff(new UnsyncStringReader(sourceArticleDisplay.getContent()),
            new UnsyncStringReader(targetArticleDisplay.getContent()));
}

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