Initial commit

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@2 d688527b-c9ab-4aba-bd8d-4036d912da1d

1 files changed, 99 insertions, 0 deletions

diff --git a/common/src/test/at/gv/egovernment/moa/util/XMLGrammarBuilderTest.java b/common/src/test/at/gv/egovernment/moa/util/XMLGrammarBuilderTest.java
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+++ b/common/src/test/at/gv/egovernment/moa/util/XMLGrammarBuilderTest.java
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+package test.at.gv.egovernment.moa.util;
+import java.io.FileInputStream;
+import java.io.InputStream;
+
+import org.apache.xerces.parsers.DOMParser;
+import org.apache.xerces.parsers.XMLGrammarPreparser;
+import org.apache.xerces.util.SymbolTable;
+import org.apache.xerces.util.XMLGrammarPoolImpl;
+import org.apache.xerces.xni.grammars.Grammar;
+import org.apache.xerces.xni.grammars.XMLGrammarDescription;
+import org.apache.xerces.xni.parser.XMLInputSource;
+import org.xml.sax.InputSource;
+
+import test.at.gv.egovernment.moa.MOATestCase;
+
+import at.gv.egovernment.moa.util.Constants;
+
+
+/**
+ * Experimentation with Xerces grammar caching.
+ * 
+ * Used the Xerces sample 'XMLGrammarBuilder' as a starting point. 
+ * 
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public class XMLGrammarBuilderTest extends MOATestCase {
+
+  private static final String GRAMMAR_POOL =
+    org.apache.xerces.impl.Constants.XERCES_PROPERTY_PREFIX
+      + org.apache.xerces.impl.Constants.XMLGRAMMAR_POOL_PROPERTY;
+
+  protected static final String NAMESPACES_FEATURE_ID =
+    "http://xml.org/sax/features/namespaces";
+  protected static final String VALIDATION_FEATURE_ID =
+    "http://xml.org/sax/features/validation";
+  protected static final String SCHEMA_VALIDATION_FEATURE_ID =
+    "http://apache.org/xml/features/validation/schema";
+  protected static final String SCHEMA_FULL_CHECKING_FEATURE_ID =
+    "http://apache.org/xml/features/validation/schema-full-checking";
+
+  private static final int BIG_PRIME = 2039;
+  private SymbolTable symbolTable;
+  private XMLGrammarPoolImpl grammarPool;
+
+  /**
+   * Constructor for XMLGrammarBuilderTest.
+   * @param name
+   */
+  public XMLGrammarBuilderTest(String name) {
+    super(name);
+  }
+
+  protected void setUp() throws Exception {
+    XMLGrammarPreparser preparser;
+
+    // set up symbol table and grammar pool
+    symbolTable = new SymbolTable(BIG_PRIME);
+    grammarPool = new XMLGrammarPoolImpl();
+    preparser = new XMLGrammarPreparser(symbolTable);
+    preparser.registerPreparser(XMLGrammarDescription.XML_SCHEMA, null);
+    preparser.setProperty(GRAMMAR_POOL, grammarPool);
+    preparser.setFeature(NAMESPACES_FEATURE_ID, true);
+    preparser.setFeature(VALIDATION_FEATURE_ID, true);
+    // now we can still do schema features just in case, 
+    // so long as it's our configuraiton......
+    preparser.setFeature(SCHEMA_VALIDATION_FEATURE_ID, true);
+    preparseSchemaResource(
+      preparser,
+      Constants.DSIG_SCHEMA_LOCATION,
+      "/resources/schemas/xmldsig-core-schema.xsd");
+  }
+
+  private static Grammar preparseSchemaResource(
+    XMLGrammarPreparser preparser,
+    String systemId,
+    String resource)
+    throws Exception {
+
+    InputStream is = XMLGrammarBuilderTest.class.getResourceAsStream(resource);
+    return preparser.preparseGrammar(
+      XMLGrammarDescription.XML_SCHEMA,
+      new XMLInputSource(null, systemId, null, is, null));
+  }
+
+  public void testParseValidating() throws Exception {
+    DOMParser parser = new DOMParser(symbolTable, grammarPool);
+
+    parser.setFeature(NAMESPACES_FEATURE_ID, true);
+    parser.setFeature(VALIDATION_FEATURE_ID, true);
+    parser.setFeature(SCHEMA_VALIDATION_FEATURE_ID, true);
+
+    parser.parse(
+      new InputSource(
+        new FileInputStream(TESTDATA_ROOT + "xml/dsigTransform/base64.xml")));
+    parser.getDocument();
+  }
+
+}