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bug 60102: throw IOException when writing a closed document 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1760206 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Javen O'Neal 2016-09-10 19:33:32 +00:00
parent 7dabe1b101
commit d9cfcbdd18
2 changed files with 42 additions and 5 deletions
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10
src/ooxml/java/org/apache/poi/POIXMLDocument.java
View File

@ -40,6 +40,7 @@ import org.apache.xmlbeans.impl.common.SystemCache;
/**
* This holds the common functionality for all POI OOXML Document classes.
*/
// TODO: implements AutoCloseable in Java 7+ when POI drops support for Java 6.
public abstract class POIXMLDocument extends POIXMLDocumentPart implements Closeable {
public static final String DOCUMENT_CREATOR = "Apache POI";
@ -230,6 +231,11 @@ public abstract class POIXMLDocument extends POIXMLDocumentPart implements Close
*/
@SuppressWarnings("resource")
public final void write(OutputStream stream) throws IOException {
OPCPackage p = getPackage();
if(p == null) {
throw new IOException("Cannot write data, document seems to have been closed already");
}
//force all children to commit their changes into the underlying OOXML Package
// TODO Shouldn't they be committing to the new one instead?
Set<PackagePart> context = new HashSet<PackagePart>();
@ -239,10 +245,6 @@ public abstract class POIXMLDocument extends POIXMLDocumentPart implements Close
//save extended and custom properties
getProperties().commit();
OPCPackage p = getPackage();
if(p == null) {
throw new IOException("Cannot write data, document seems to have been closed already");
}
p.save(stream);
}
}

37
src/ooxml/testcases/org/apache/poi/TestPOIXMLDocument.java
View File

@ -22,6 +22,7 @@ import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.fail;
import java.io.File;
import java.io.FileOutputStream;
@ -33,9 +34,11 @@ import java.util.HashSet;
import java.util.List;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.openxml4j.exceptions.OpenXML4JRuntimeException;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.openxml4j.opc.PackageRelationshipTypes;
import org.apache.poi.util.NullOutputStream;
import org.apache.poi.util.PackageHelper;
import org.apache.poi.util.TempFile;
import org.junit.Test;
@ -120,12 +123,43 @@ public final class TestPOIXMLDocument {
FileOutputStream out = new FileOutputStream(tmp);
doc.write(out);
out.close();
// Should not be able to write to an output stream that has been closed
try {
doc.write(out);
fail("Should not be able to write to an output stream that has been closed.");
} catch (final OpenXML4JRuntimeException e) {
// FIXME: A better exception class (IOException?) and message should be raised
// indicating that the document could not be written because the output stream is closed.
// see {@link org.apache.poi.openxml4j.opc.ZipPackage#saveImpl(java.io.OutputStream)}
if (e.getMessage().matches("Fail to save: an error occurs while saving the package : The part .+ fail to be saved in the stream with marshaller .+")) {
// expected
} else {
throw e;
}
}
// Should not be able to write a document that has been closed
doc.close();
try {
doc.write(new NullOutputStream());
fail("Should not be able to write a document that has been closed.");
} catch (final IOException e) {
if (e.getMessage().equals("Cannot write data, document seems to have been closed already")) {
// expected
} else {
throw e;
}
}
// Should be able to close a document multiple times, though subsequent closes will have no effect.
doc.close();
@SuppressWarnings("resource")
OPCPackage pkg2 = OPCPackage.open(tmp.getAbsolutePath());
doc = new OPCParser(pkg1);
try {
doc = new OPCParser(pkg1);
doc.parse(new TestFactory());
context = new HashMap<String,POIXMLDocumentPart>();
traverse(doc, context);
@ -150,6 +184,7 @@ public final class TestPOIXMLDocument {
}
} finally {
doc.close();
pkg1.close();
pkg2.close();
}
}