From 25f5495b60fb0fb089c7af216986d2f3abf92375 Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Thu, 26 Sep 2013 16:09:12 +0200
Subject: first version of API IO implemented

---
 .../gv/egiz/pdfas/lib/api/ByteArrayDataSink.java   | 18 +++++++++
 .../gv/egiz/pdfas/lib/api/ByteArrayDataSource.java |  2 +-
 .../java/at/gv/egiz/pdfas/lib/api/DataSink.java    |  7 ++++
 .../java/at/gv/egiz/pdfas/lib/api/DataSource.java  |  6 +++
 .../java/at/gv/egiz/pdfas/lib/api/IDataSource.java |  6 ---
 .../at/gv/egiz/pdfas/lib/api/PdfAsFactory.java     |  7 ++++
 .../at/gv/egiz/pdfas/lib/api/PdfAsParameter.java   | 28 +++-----------
 .../gv/egiz/pdfas/lib/api/sign/SignParameter.java  | 34 ++++------------
 .../at/gv/egiz/pdfas/lib/api/sign/SignResult.java  | 35 ++++++++++++++++-
 .../egiz/pdfas/lib/api/verify/VerifyParameter.java |  9 +----
 .../java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java  | 14 ++++++-
 .../gv/egiz/pdfas/lib/impl/PdfAsParameterImpl.java | 33 ++++++++++++++++
 .../gv/egiz/pdfas/lib/impl/SignParameterImpl.java  | 45 ++++++++++++++++++++++
 .../at/gv/egiz/pdfas/lib/impl/SignResultImpl.java  | 25 ++++++++++++
 .../egiz/pdfas/lib/impl/VerifyParameterImpl.java   | 12 ++++++
 15 files changed, 216 insertions(+), 65 deletions(-)
 create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/ByteArrayDataSink.java
 create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSink.java
 create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSource.java
 delete mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/IDataSource.java
 create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsParameterImpl.java
 create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/SignParameterImpl.java
 create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/SignResultImpl.java
 create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/VerifyParameterImpl.java

(limited to 'pdf-as-lib')

diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/ByteArrayDataSink.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/ByteArrayDataSink.java
new file mode 100644
index 00000000..6cc63338
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/ByteArrayDataSink.java
@@ -0,0 +1,18 @@
+package at.gv.egiz.pdfas.lib.api;
+
+import java.io.ByteArrayOutputStream;
+import java.io.OutputStream;
+
+public class ByteArrayDataSink implements DataSink {
+
+	protected ByteArrayOutputStream bos = new ByteArrayOutputStream();
+	
+	public OutputStream createOutputStream() {
+		bos = new ByteArrayOutputStream();
+		return bos;
+	}
+
+	public byte[] getData() {
+		return bos.toByteArray();
+	}
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/ByteArrayDataSource.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/ByteArrayDataSource.java
index 72c02b08..cd670cea 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/ByteArrayDataSource.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/ByteArrayDataSource.java
@@ -1,6 +1,6 @@
 package at.gv.egiz.pdfas.lib.api;
 
-public class ByteArrayDataSource implements IDataSource {
+public class ByteArrayDataSource implements DataSource {
 
     private byte[] byteData;
 
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSink.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSink.java
new file mode 100644
index 00000000..4a3fb52c
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSink.java
@@ -0,0 +1,7 @@
+package at.gv.egiz.pdfas.lib.api;
+
+import java.io.OutputStream;
+
+public interface DataSink {
+	public OutputStream createOutputStream();
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSource.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSource.java
new file mode 100644
index 00000000..73487c7b
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSource.java
@@ -0,0 +1,6 @@
+package at.gv.egiz.pdfas.lib.api;
+
+public interface DataSource {
+	public String getMIMEType();
+    public byte[] getByteData();
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/IDataSource.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/IDataSource.java
deleted file mode 100644
index 6fea788c..00000000
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/IDataSource.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package at.gv.egiz.pdfas.lib.api;
-
-public interface IDataSource {
-	public String getMIMEType();
-    public byte[] getByteData();
-}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java
index 444480cf..518f458d 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java
@@ -4,7 +4,9 @@ import java.io.File;
 
 import org.apache.log4j.PropertyConfigurator;
 
+import at.gv.egiz.pdfas.lib.api.sign.SignParameter;
 import at.gv.egiz.pdfas.lib.impl.PdfAsImpl;
+import at.gv.egiz.pdfas.lib.impl.SignParameterImpl;
 
 public class PdfAsFactory {
 	
@@ -15,4 +17,9 @@ public class PdfAsFactory {
 	public static PdfAs createPdfAs(File configuration) {
 		return new PdfAsImpl(configuration);
 	}
+	
+	public static SignParameter createSignParameter(Configuration configuration, DataSource dataSource) {
+		SignParameter param = new SignParameterImpl(configuration, dataSource);
+		return param;
+	}
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsParameter.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsParameter.java
index 999c91bc..8ffcf998 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsParameter.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsParameter.java
@@ -1,32 +1,14 @@
 package at.gv.egiz.pdfas.lib.api;
 
-public abstract class PdfAsParameter {
+public interface PdfAsParameter {
 
-	protected Configuration configuration;
-	
-	protected IDataSource dataSource;
-	
-	public PdfAsParameter(Configuration configuration, 
-			IDataSource dataSource) {
-		this.configuration = configuration;
-		this.dataSource = dataSource;
-	}
-
-	public Configuration getConfiguration() {
-		return configuration;
-	}
+	public Configuration getConfiguration() ;
 
-	public void setConfiguration(Configuration configuration) {
-		this.configuration = configuration;
-	}
+	public void setConfiguration(Configuration configuration);
 
-	public IDataSource getDataSource() {
-		return dataSource;
-	}
+	public DataSource getDataSource();
 
-	public void setDataSource(IDataSource dataSource) {
-		this.dataSource = dataSource;
-	}
+	public void setDataSource(DataSource dataSource);
 	
 	
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/SignParameter.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/SignParameter.java
index 1eee841a..0b4a076c 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/SignParameter.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/SignParameter.java
@@ -1,37 +1,19 @@
 package at.gv.egiz.pdfas.lib.api.sign;
 
-import at.gv.egiz.pdfas.lib.api.Configuration;
-import at.gv.egiz.pdfas.lib.api.IDataSource;
+import at.gv.egiz.pdfas.lib.api.DataSink;
 import at.gv.egiz.pdfas.lib.api.PdfAsParameter;
 
-public class SignParameter extends PdfAsParameter {
-
-	protected String signatureProfileId = null;
-	protected String signaturePosition = null;
+public interface SignParameter extends PdfAsParameter {
 	
-	public SignParameter(Configuration configuration, 
-			IDataSource dataSource) {
-		super(configuration, dataSource);
-	}
+	public String getSignatureProfileId();
 
-	// ========================================================================
-	
-	public String getSignatureProfileId() {
-		return signatureProfileId;
-	}
+	public void setSignatureProfileId(String signatureProfileId);
 
-	public void setSignatureProfileId(String signatureProfileId) {
-		this.signatureProfileId = signatureProfileId;
-	}
+	public String getSignaturePosition();
 
-	public String getSignaturePosition() {
-		return signaturePosition;
-	}
+	public void setSignaturePosition(String signaturePosition);
 
-	public void setSignaturePosition(String signaturePosition) {
-		this.signaturePosition = signaturePosition;
-	}
-	
-	
+	public void setOutput(DataSink output);
 	
+	public DataSink getOutput();
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/SignResult.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/SignResult.java
index 91da083e..03e48d73 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/SignResult.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/sign/SignResult.java
@@ -1,5 +1,38 @@
 package at.gv.egiz.pdfas.lib.api.sign;
 
-public class SignResult {
+import java.security.cert.X509Certificate;
 
+import at.gv.egiz.pdfas.lib.api.DataSink;
+
+public interface SignResult {
+	/**
+	 * Returns the filled output data sink.
+	 * 
+	 * @return Returns the filled output data sink.
+	 */
+	public DataSink getOutputDocument();
+
+	/**
+	 * Returns the certificate of the signer.
+	 * 
+	 * @return Returns the certificate of the signer.
+	 */
+	public X509Certificate getSignerCertificate();
+
+	/**
+	 * Returns the position where the signature is finally placed.
+	 * 
+	 * <p>
+	 * This information can be useful for post-processing the document.
+	 * </p>
+	 * 
+	 * <p>
+	 * Consult the PDF-AS documentation section Commandline for further
+	 * information about positioning.
+	 * </p>
+	 * 
+	 * @return Returns the position where the signature is finally placed. May
+	 *         return null if no position information is available.
+	 */
+	//public SignaturePosition getSignaturePosition();
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/verify/VerifyParameter.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/verify/VerifyParameter.java
index 8c53ad47..914838ed 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/verify/VerifyParameter.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/verify/VerifyParameter.java
@@ -1,14 +1,9 @@
 package at.gv.egiz.pdfas.lib.api.verify;
 
-import at.gv.egiz.pdfas.lib.api.Configuration;
-import at.gv.egiz.pdfas.lib.api.IDataSource;
 import at.gv.egiz.pdfas.lib.api.PdfAsParameter;
 
-public class VerifyParameter extends PdfAsParameter {
+public interface VerifyParameter extends PdfAsParameter {
 
-	public VerifyParameter(Configuration configuration,
-			IDataSource dataSource) {
-		super(configuration, dataSource);
-	}
+	
 
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
index e4132e91..adef37af 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
@@ -2,6 +2,7 @@ package at.gv.egiz.pdfas.lib.impl;
 
 import java.io.ByteArrayInputStream;
 import java.io.File;
+import java.io.OutputStream;
 import java.util.List;
 
 import org.apache.pdfbox.pdmodel.PDDocument;
@@ -145,7 +146,18 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 
 			// TODO: Create signature
 
-			return null;
+			status.getPdfObject().setSignedDocument(status.getPdfObject().getStampedDocument());
+			
+			// ================================================================
+			// Create SignResult
+			SignResultImpl result = new SignResultImpl(status.getSignParamter().getOutput());
+			OutputStream outputStream = result.getOutputDocument().createOutputStream();
+			
+			outputStream.write(status.getPdfObject().getSignedDocument());
+			
+			outputStream.close();
+			
+			return result;
 		} catch (Throwable e) {
 			logger.error("sign failed " + e.getMessage(), e);
 			throw new PdfAsException("sign Failed", e);
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsParameterImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsParameterImpl.java
new file mode 100644
index 00000000..d4bb44e6
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsParameterImpl.java
@@ -0,0 +1,33 @@
+package at.gv.egiz.pdfas.lib.impl;
+
+import at.gv.egiz.pdfas.lib.api.Configuration;
+import at.gv.egiz.pdfas.lib.api.DataSource;
+import at.gv.egiz.pdfas.lib.api.PdfAsParameter;
+
+public class PdfAsParameterImpl implements PdfAsParameter {
+protected Configuration configuration;
+	
+	protected DataSource dataSource;
+	
+	public PdfAsParameterImpl(Configuration configuration, 
+			DataSource dataSource) {
+		this.configuration = configuration;
+		this.dataSource = dataSource;
+	}
+
+	public Configuration getConfiguration() {
+		return configuration;
+	}
+
+	public void setConfiguration(Configuration configuration) {
+		this.configuration = configuration;
+	}
+
+	public DataSource getDataSource() {
+		return dataSource;
+	}
+
+	public void setDataSource(DataSource dataSource) {
+		this.dataSource = dataSource;
+	}
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/SignParameterImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/SignParameterImpl.java
new file mode 100644
index 00000000..7989bca7
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/SignParameterImpl.java
@@ -0,0 +1,45 @@
+package at.gv.egiz.pdfas.lib.impl;
+
+import at.gv.egiz.pdfas.lib.api.Configuration;
+import at.gv.egiz.pdfas.lib.api.DataSink;
+import at.gv.egiz.pdfas.lib.api.DataSource;
+import at.gv.egiz.pdfas.lib.api.sign.SignParameter;
+
+public class SignParameterImpl extends PdfAsParameterImpl implements SignParameter {
+	protected String signatureProfileId = null;
+	protected String signaturePosition = null;
+	protected DataSink output = null;
+	
+	public SignParameterImpl(Configuration configuration, 
+			DataSource dataSource) {
+		super(configuration, dataSource);
+	}
+
+	// ========================================================================
+	
+	public String getSignatureProfileId() {
+		return signatureProfileId;
+	}
+
+	public void setSignatureProfileId(String signatureProfileId) {
+		this.signatureProfileId = signatureProfileId;
+	}
+
+	public String getSignaturePosition() {
+		return signaturePosition;
+	}
+
+	public void setSignaturePosition(String signaturePosition) {
+		this.signaturePosition = signaturePosition;
+	}
+
+	public void setOutput(DataSink output) {
+		this.output = output;
+	}
+
+	public DataSink getOutput() {
+		return this.output;
+	}
+	
+	
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/SignResultImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/SignResultImpl.java
new file mode 100644
index 00000000..dcb27be9
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/SignResultImpl.java
@@ -0,0 +1,25 @@
+package at.gv.egiz.pdfas.lib.impl;
+
+import java.security.cert.X509Certificate;
+
+import at.gv.egiz.pdfas.lib.api.DataSink;
+import at.gv.egiz.pdfas.lib.api.sign.SignResult;
+
+public class SignResultImpl implements SignResult {
+
+	protected DataSink dataSink;
+	
+	public SignResultImpl(DataSink dataSink) {
+		this.dataSink = dataSink;
+	}
+	
+	public DataSink getOutputDocument() {
+		return this.dataSink;
+	}
+
+	public X509Certificate getSignerCertificate() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/VerifyParameterImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/VerifyParameterImpl.java
new file mode 100644
index 00000000..a82daba8
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/VerifyParameterImpl.java
@@ -0,0 +1,12 @@
+package at.gv.egiz.pdfas.lib.impl;
+
+import at.gv.egiz.pdfas.lib.api.Configuration;
+import at.gv.egiz.pdfas.lib.api.DataSource;
+import at.gv.egiz.pdfas.lib.api.verify.VerifyParameter;
+
+public class VerifyParameterImpl extends PdfAsParameterImpl implements VerifyParameter {
+	public VerifyParameterImpl(Configuration configuration,
+			DataSource dataSource) {
+		super(configuration, dataSource);
+	}
+}
-- 
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