/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.camel.component.fop;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.exceptions.CryptographyException;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDDocumentInformation;
import org.apache.pdfbox.pdmodel.encryption.BadSecurityHandlerException;
import org.apache.pdfbox.pdmodel.encryption.DecryptionMaterial;
import org.apache.pdfbox.pdmodel.encryption.StandardDecryptionMaterial;
import org.apache.pdfbox.util.PDFTextStripper;
public final class FopHelper {
private FopHelper() {
}
//decryption requires additional libraries
public static void decryptPDFN(PDDocument document, String password) throws
IOException, CryptographyException, BadSecurityHandlerException {
if (document.isEncrypted()) {
DecryptionMaterial decryptionMaterial = new StandardDecryptionMaterial(password);
document.openProtection(decryptionMaterial);
} else {
throw new RuntimeException("Document not encrypted");
}
}
public static String extractTextFrom(PDDocument document) throws IOException {
Writer output = new StringWriter();
PDFTextStripper stripper = new PDFTextStripper();
stripper.writeText(document, output);
return output.toString().trim();
}
public static String getDocumentMetadataValue(PDDocument document, COSName name) {
PDDocumentInformation info = document.getDocumentInformation();
return info.getDictionary().getString(name);
}
public static String decorateTextWithXSLFO(String text) {
return "<fo:root xmlns:fo=\"http://www.w3.org/1999/XSL/Format\">\n"
+ " <fo:layout-master-set>\n"
+ " <fo:simple-page-master master-name=\"only\">\n"
+ " <fo:region-body region-name=\"xsl-region-body\" margin=\"0.7in\" padding=\"0\" />\n"
+ " <fo:region-before region-name=\"xsl-region-before\" extent=\"0.7in\" />\n"
+ " <fo:region-after region-name=\"xsl-region-after\" extent=\"0.7in\" />\n"
+ " </fo:simple-page-master>\n"
+ " </fo:layout-master-set>\n"
+ " <fo:page-sequence master-reference=\"only\">\n"
+ " <fo:flow flow-name=\"xsl-region-body\">\n"
+ " <fo:block>" + text + "</fo:block>\n"
+ " </fo:flow>\n"
+ " </fo:page-sequence>\n"
+ "</fo:root>";
}
}