List of usage examples for com.liferay.portal.kernel.util WebKeys DIFF_RESULTS
String DIFF_RESULTS
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From source file:com.liferay.document.library.web.internal.portlet.action.CompareVersionsMVCRenderCommand.java
License:Open Source License
protected void compareVersions(RenderRequest renderRequest) throws Exception { long sourceFileVersionId = ParamUtil.getLong(renderRequest, "sourceFileVersionId"); long targetFileVersionId = ParamUtil.getLong(renderRequest, "targetFileVersionId"); FileVersion sourceFileVersion = _dlAppService.getFileVersion(sourceFileVersionId); InputStream sourceIs = sourceFileVersion.getContentStream(false); String sourceExtension = sourceFileVersion.getExtension(); if (sourceExtension.equals("css") || sourceExtension.equals("htm") || sourceExtension.equals("html") || sourceExtension.equals("js") || sourceExtension.equals("txt") || sourceExtension.equals("xml")) { String sourceContent = HtmlUtil.escape(StringUtil.read(sourceIs)); sourceIs = new UnsyncByteArrayInputStream(sourceContent.getBytes(StringPool.UTF8)); }//from ww w . j a v a 2 s .c om FileVersion targetFileVersion = _dlAppLocalService.getFileVersion(targetFileVersionId); InputStream targetIs = targetFileVersion.getContentStream(false); String targetExtension = targetFileVersion.getExtension(); if (targetExtension.equals("css") || targetExtension.equals("htm") || targetExtension.equals("html") || targetExtension.equals("js") || targetExtension.equals("txt") || targetExtension.equals("xml")) { String targetContent = HtmlUtil.escape(StringUtil.read(targetIs)); targetIs = new UnsyncByteArrayInputStream(targetContent.getBytes(StringPool.UTF8)); } if (DocumentConversionUtil.isEnabled()) { if (DocumentConversionUtil.isConvertBeforeCompare(sourceExtension)) { String sourceTempFileId = DLUtil.getTempFileId(sourceFileVersion.getFileEntryId(), sourceFileVersion.getVersion()); sourceIs = new FileInputStream( DocumentConversionUtil.convert(sourceTempFileId, sourceIs, sourceExtension, "txt")); } if (DocumentConversionUtil.isConvertBeforeCompare(targetExtension)) { String targetTempFileId = DLUtil.getTempFileId(targetFileVersion.getFileEntryId(), targetFileVersion.getVersion()); targetIs = new FileInputStream( DocumentConversionUtil.convert(targetTempFileId, targetIs, targetExtension, "txt")); } } List<DiffResult>[] diffResults = DiffUtil.diff(new InputStreamReader(sourceIs), new InputStreamReader(targetIs)); renderRequest.setAttribute(WebKeys.DIFF_RESULTS, diffResults); renderRequest.setAttribute(WebKeys.SOURCE_NAME, sourceFileVersion.getTitle() + StringPool.SPACE + sourceFileVersion.getVersion()); renderRequest.setAttribute(WebKeys.TARGET_NAME, targetFileVersion.getTitle() + StringPool.SPACE + targetFileVersion.getVersion()); }