/**
* Writes the given value to the JSON writer. currently the following conversions are done:
*
* <table>
* <tr>
* <th>JSR Property Type</th>
* <th>JSON Value Type</th>
* </tr>
* <tr>
* <td>BINARY</td>
* <td>always 0 as long</td>
* </tr>
* <tr>
* <td>DATE</td>
* <td>converted date string as defined by ECMA</td>
* </tr>
* <tr>
* <td>BOOLEAN</td>
* <td>boolean</td>
* </tr>
* <tr>
* <td>LONG</td>
* <td>long</td>
* </tr>
* <tr>
* <td>DOUBLE</td>
* <td>double</td>
* </tr>
* <tr>
* <td><i>all other</li>
* </td>
* <td>string</td>
* </tr>
* </table>
*
* <sup>1</sup> Currently not implemented and uses 0 as default.
*
* @param w json writer
* @param v value to dump
*/
protected void dumpValue(JSONWriter w, Value v)
throws ValueFormatException, IllegalStateException, RepositoryException, JSONException {
switch (v.getType()) {
case PropertyType.BINARY:
w.value(0);
break;
case PropertyType.DATE:
w.value(format(v.getDate()));
break;
case PropertyType.BOOLEAN:
w.value(v.getBoolean());
break;
case PropertyType.LONG:
w.value(v.getLong());
break;
case PropertyType.DOUBLE:
w.value(v.getDouble());
break;
default:
w.value(v.getString());
}
}
@Test
public void testNextWithLiteralDouble() throws Exception {
when(mockValue.getType()).thenReturn(PropertyType.DOUBLE);
when(mockValue.getDouble()).thenReturn(1.0);
final QuerySolution solution = testObj.next();
assertEquals(1.0, solution.get("a").asLiteral().getDouble(), 0.1);
}
/** Tests conversion from Date type to Double type. */
public void testGetDouble() throws RepositoryException {
Value val = PropertyUtil.getValue(prop);
double d = val.getDouble();
long mili = val.getDate().getTimeInMillis();
assertEquals(
"Conversion from a Date value to a Double value "
+ "returns a different number of miliseconds.",
mili,
(long) d);
}
/**
* Utility method used to convert a JCR {@link Value} object into a valid graph property value.
*
* @param value the JCR value; may be null
* @param jcrProperty the JCR property, used to access the session (if needed)
* @return the graph representation of the value
* @throws RepositoryException if there is an error working with the session
*/
public Object convert(Value value, javax.jcr.Property jcrProperty) throws RepositoryException {
if (value == null) return null;
try {
switch (value.getType()) {
case javax.jcr.PropertyType.BINARY:
return factories.getBinaryFactory().create(value.getBinary().getStream(), 0);
case javax.jcr.PropertyType.BOOLEAN:
return factories.getBooleanFactory().create(value.getBoolean());
case javax.jcr.PropertyType.DATE:
return factories.getDateFactory().create(value.getDate());
case javax.jcr.PropertyType.DOUBLE:
return factories.getDoubleFactory().create(value.getDouble());
case javax.jcr.PropertyType.LONG:
return factories.getLongFactory().create(value.getLong());
case javax.jcr.PropertyType.NAME:
return factories.getNameFactory().create(value.getString());
case javax.jcr.PropertyType.PATH:
return factories.getPathFactory().create(value.getString());
case javax.jcr.PropertyType.REFERENCE:
return factories.getReferenceFactory().create(value.getString());
case javax.jcr.PropertyType.STRING:
return factories.getStringFactory().create(value.getString());
case javax.jcr.PropertyType.UNDEFINED:
// We don't know what type of values these are, but we need to convert any value
// that depends on namespaces (e.g., names and paths) into Graph objects.
try {
// So first try a name ...
return factories.getNameFactory().create(value.getString());
} catch (ValueFormatException e) {
// Wasn't a name, so try a path ...
try {
return factories.getPathFactory().create(value.getString());
} catch (ValueFormatException e2) {
// Wasn't a path, so finally treat as a string ...
return factories.getStringFactory().create(value.getString());
}
}
}
} catch (ValueFormatException e) {
// There was an error converting the JCR value into the appropriate graph value
String typeName = javax.jcr.PropertyType.nameFromValue(value.getType());
throw new RepositoryException(
JcrConnectorI18n.errorConvertingJcrValueOfType.text(value.getString(), typeName));
}
return null;
}
protected void assertCanObtainValue(Value value, int expectedType) throws Exception {
switch (expectedType) {
case PropertyType.BINARY:
Binary binary = value.getBinary();
try {
InputStream stream = binary.getStream();
assertThat(stream, is(notNullValue()));
try {
stream.read();
} finally {
stream.close();
}
} finally {
binary.dispose();
}
break;
case PropertyType.BOOLEAN:
assertThat(value.getBoolean() || !value.getBoolean(), is(true));
break;
case PropertyType.DATE:
Calendar cal = value.getDate();
assertThat(cal, is(notNullValue()));
break;
case PropertyType.DOUBLE:
double doubleValue = value.getDouble();
assertThat(doubleValue < 0.0d || doubleValue >= -1.0d, is(true));
break;
case PropertyType.LONG:
long longValue = value.getLong();
assertThat(longValue < 0L || longValue >= 0L, is(true));
break;
case PropertyType.NAME:
context.getValueFactories().getNameFactory().create(value.getString());
break;
case PropertyType.PATH:
context.getValueFactories().getPathFactory().create(value.getString());
break;
case PropertyType.REFERENCE:
UUID uuid = context.getValueFactories().getUuidFactory().create(value.getString());
assertThat(uuid, is(notNullValue()));
break;
case PropertyType.STRING:
value.getString();
break;
}
}
private static Object stringValue(Value value)
throws ValueFormatException, IllegalStateException, RepositoryException {
switch (value.getType()) {
case PropertyType.STRING:
case PropertyType.NAME:
case PropertyType.REFERENCE:
case PropertyType.PATH:
return value.getString();
case PropertyType.BOOLEAN:
return value.getBoolean();
case PropertyType.LONG:
return value.getLong();
case PropertyType.DOUBLE:
return value.getDouble();
case PropertyType.DATE:
return DateUtils.iso8601(value.getDate());
default:
return value.toString();
}
}
