protected void compareVersions(RenderRequest renderRequest) throws Exception {
long fileEntryId = ParamUtil.getLong(renderRequest, "fileEntryId");
String sourceVersion = ParamUtil.getString(renderRequest, "sourceVersion");
String targetVersion = ParamUtil.getString(renderRequest, "targetVersion");
FileEntry fileEntry = DLAppServiceUtil.getFileEntry(fileEntryId);
String extension = fileEntry.getExtension();
FileVersion sourceFileVersion = fileEntry.getFileVersion(sourceVersion);
String sourceTitle = sourceFileVersion.getTitle();
FileVersion targetFileVersion = fileEntry.getFileVersion(targetVersion);
String targetTitle = targetFileVersion.getTitle();
InputStream sourceIs = fileEntry.getContentStream(sourceVersion);
InputStream targetIs = fileEntry.getContentStream(targetVersion);
if (extension.equals("htm") || extension.equals("html") || extension.equals("xml")) {
String escapedSource = HtmlUtil.escape(StringUtil.read(sourceIs));
String escapedTarget = HtmlUtil.escape(StringUtil.read(targetIs));
sourceIs = new UnsyncByteArrayInputStream(escapedSource.getBytes(StringPool.UTF8));
targetIs = new UnsyncByteArrayInputStream(escapedTarget.getBytes(StringPool.UTF8));
}
if (DocumentConversionUtil.isEnabled()
&& DocumentConversionUtil.isConvertBeforeCompare(extension)) {
String sourceTempFileId = DLUtil.getTempFileId(fileEntryId, sourceVersion);
String targetTempFileId = DLUtil.getTempFileId(fileEntryId, targetVersion);
sourceIs =
new FileInputStream(
DocumentConversionUtil.convert(sourceTempFileId, sourceIs, extension, "txt"));
targetIs =
new FileInputStream(
DocumentConversionUtil.convert(targetTempFileId, targetIs, extension, "txt"));
}
List<DiffResult>[] diffResults =
DiffUtil.diff(new InputStreamReader(sourceIs), new InputStreamReader(targetIs));
renderRequest.setAttribute(WebKeys.SOURCE_NAME, sourceTitle + StringPool.SPACE + sourceVersion);
renderRequest.setAttribute(WebKeys.TARGET_NAME, targetTitle + StringPool.SPACE + targetVersion);
renderRequest.setAttribute(WebKeys.DIFF_RESULTS, diffResults);
}
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));
}
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.SOURCE_NAME,
sourceFileVersion.getTitle() + StringPool.SPACE + sourceFileVersion.getVersion());
renderRequest.setAttribute(
WebKeys.TARGET_NAME,
targetFileVersion.getTitle() + StringPool.SPACE + targetFileVersion.getVersion());
renderRequest.setAttribute(WebKeys.DIFF_RESULTS, diffResults);
}
