Java Formats类代码示例

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
public Transcoder getTranscoder(String format) {
     if (transcoders == null) {
         transcoders = new HashMap<String, Transcoder>();
         JSONTranscoder jt = new JSONTranscoder(true, true, false);
jt.setMaxLevel(entityBrokerManager.getMaxJSONLevel());
         transcoders.put(jt.getHandledFormat(), jt);
         transcoders.put(Formats.JSONP, jt);
         XMLTranscoder xt = new XMLTranscoder(true, true, false, false);
         transcoders.put(xt.getHandledFormat(), xt);
         HTMLTranscoder ht = new HTMLTranscoder();
         transcoders.put(ht.getHandledFormat(), ht);
     }
     Transcoder transcoder = transcoders.get(format);
     if (transcoder == null) {
         throw new IllegalArgumentException("Failed to find a transcoder for format, none exists, cannot encode or decode data for format: " + format);
     }
     return transcoder;
 }
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public void testJSONDecode() {
    Map<String, Object> decoded = null;

    String json = "{\"id\":123,\"thing\":\"AZ\"}";
    decoded = entityEncodingManager.decodeData(json, Formats.JSON);
    assertNotNull(decoded);
    assertEquals(123, decoded.get("id"));
    assertEquals("AZ", decoded.get("thing"));

    json = "{\"id\":123,\"thing\":\"AZ\",\"map\":{\"name\":\"aaron\",\"date\":1221493247004,\"num\":456,\"array\":[\"A\",\"B\",\"C\"]}}";
    decoded = entityEncodingManager.decodeData(json, Formats.JSON);
    assertNotNull(decoded);
    assertEquals(3, decoded.size());
    assertEquals(123, decoded.get("id"));
    assertEquals("AZ", decoded.get("thing"));
    Map<String, Object> m2d = (Map<String, Object>) decoded.get("map");
    assertEquals(4, m2d.size());
    assertEquals("aaron", m2d.get("name"));
    assertEquals(456, m2d.get("num"));

}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
@Test
public void testTranslateInputToEntity() {
    InputStream input = null;
    MyEntity me = null;

    // test creating an entity
    String reference = TestData.SPACE6;
    String format = Formats.XML;
    input = new ByteArrayInputStream( makeUTF8Bytes("<"+TestData.PREFIX6+"><stuff>TEST</stuff><number>5</number></"+TestData.PREFIX6+">") );
    me = (MyEntity) entityBroker.translateInputToEntity(reference, format, input, null);
    assertNotNull(me);
    assertNull(me.getId());
    assertEquals("TEST", me.getStuff());
    assertEquals(5, me.getNumber());

    // test modifying an entity
    reference = TestData.REF6_2;
    input = new ByteArrayInputStream( makeUTF8Bytes("<"+TestData.PREFIX6+"><id>"+TestData.IDS6[1]+"</id><stuff>TEST-PUT</stuff><number>8</number></"+TestData.PREFIX6+">") );
    me = (MyEntity) entityBroker.translateInputToEntity(reference, format, input, null);
    assertNotNull(me);
    assertNotNull(me.getId());
    assertEquals(TestData.IDS6[1], me.getId());
    assertEquals("TEST-PUT", me.getStuff());
    assertEquals(8, me.getNumber());
}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
/**
 * Decode a string of a specified format into a java map <br/> 
 * Returned map can be fed into the {@link ReflectUtils#populate(Object, Map)} if you want to convert it
 * into a known object type <br/> 
 * Types are likely to require conversion as guesses are made about the right formats,
 * use of the {@link ReflectUtils#convert(Object, Class)} method is recommended
 * 
 * @param data encoded data
 * @param format the format of the encoded data (from {@link Formats})
 * @return a map containing all the data derived from the encoded data
 * @throws UnsupportedOperationException if the data cannot be decoded
 */
@SuppressWarnings("unchecked")
public Map<String, Object> decodeData(String data, String format) {
    if (format == null) {
        format = Formats.XML;
    }
    Map<String, Object> decoded = new ArrayOrderedMap<String, Object>();
    if (data != null && ! "".equals(data)) {
        Object decode = null;
        Transcoder transcoder = getTranscoder(format);
        try {
            decode = transcoder.decode(data);
            if (decode instanceof Map) {
                decoded = (Map<String, Object>) decode;
            } else {
                decoded.put(DATA_KEY, decode);
            }
        } catch (RuntimeException e) {
            // convert failure to UOE
            throw new UnsupportedOperationException("Failure decoding data ("+data+") for format ("+format+"): " + e.getMessage(), e);
        }
    }
    return decoded;
}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
/**
 * Test method for
 * {@link org.sakaiproject.entitybroker.impl.EntityBrokerManagerImpl#makeEntityView(org.sakaiproject.entitybroker.EntityReference, java.lang.String, java.lang.String)}.
 */
@Test
public void testMakeEntityView() {
   EntityView ev = entityBrokerManager.makeEntityView(new EntityReference("azprefix", "azid"), EntityView.VIEW_SHOW, Formats.XML);
   Assert.assertNotNull(ev);
   Assert.assertEquals("azprefix", ev.getEntityReference().getPrefix());
   Assert.assertEquals("azid", ev.getEntityReference().getId());
   Assert.assertEquals(EntityView.VIEW_SHOW, ev.getViewKey());
   Assert.assertEquals(Formats.XML, ev.getExtension());

   ev = entityBrokerManager.makeEntityView(new EntityReference("azprefix", "azid"), null, null);
   Assert.assertNotNull(ev);
   Assert.assertEquals("azprefix", ev.getEntityReference().getPrefix());
   Assert.assertEquals("azid", ev.getEntityReference().getId());
   Assert.assertEquals(EntityView.VIEW_SHOW, ev.getViewKey());
   Assert.assertEquals(null, ev.getExtension());

   try {
      ev = entityBrokerManager.makeEntityView(null, null, null);
      Assert.fail("Should have thrown exception");
   } catch (IllegalArgumentException e) {
      Assert.assertNotNull(e.getMessage());
   }
}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
/**
 * Testing for http://jira.sakaiproject.org/browse/SAK-19197 (xml encoding)
 * Items with spaces will not encode correctly and will cause an exception, they 
 * have to be fixed at the provider level
 */
public void testSpaceEncoding() {
    EntityData ed = null;

    // test encoding weird stuff
    Map<String, Object> map = new ArrayOrderedMap<String, Object>();
    map.put("A1", "aaron one");
    map.put("C&3", "minerva three");
    map.put("B 2", "becky two");
    ed = new EntityData(map);
    /* fixed in 0.9.15 reflectutils
    try {
        entityEncodingManager.encodeEntity(TestData.PREFIX4, Formats.XML, ed, null);
        fail("Could not encode spaces");
    } catch (UnsupportedOperationException e) {
        assertNotNull(e.getMessage());
    }*/
    String encoded = entityEncodingManager.encodeEntity(TestData.PREFIX4, Formats.XML, ed, null);
    assertNotNull(encoded);
    assertTrue(encoded.contains("aaron one"));
    assertTrue(encoded.contains("becky two"));
    assertTrue(encoded.contains("minerva three"));
}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public void testXMLDecode() {
    Map<String, Object> decoded = null;

    String xml = "<data><id type='number'>123</id><thing>AZ</thing></data>";
    decoded = entityEncodingManager.decodeData(xml, Formats.XML);
    assertNotNull(decoded);
    assertEquals(123, decoded.get("id"));
    assertEquals("AZ", decoded.get("thing"));

    xml = "<data type='map' size='3' class='org.sakaiproject.genericdao.util.map.ArrayOrderedMap'><id type='number' class='java.lang.Integer'>123</id><thing>AZ</thing><map type='map' size='4' class='org.sakaiproject.genericdao.util.map.ArrayOrderedMap'><name>aaron</name><date type='date' date='2008-09-17T14:47:18+01:00'>1221659238015</date><num type='number' class='java.lang.Integer'>456</num><array type='array' length='3' component='java.lang.String'><string>A</string><string>B</string><string>C</string></array></map></data>";
    decoded = entityEncodingManager.decodeData(xml, Formats.XML);
    assertNotNull(decoded);
    assertEquals(3, decoded.size());
    assertEquals(123, decoded.get("id"));
    assertEquals("AZ", decoded.get("thing"));
    Map<String, Object> m2d = (Map<String, Object>) decoded.get("map");
    assertEquals(4, m2d.size());
    assertEquals("aaron", m2d.get("name"));
    assertEquals(456, m2d.get("num"));

}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
public Map<String, Object> decodeData(String data, String format) {
    if (format == null) {
        format = Formats.XML;
    }
    Map<String, Object> decoded = new HashMap<String, Object>(0);
    if (getEntityRESTProvider() == null) {
        log.warn("No entityRESTProvider available for decoding, using basic internal decoder");
        if (data != null) {
            Transcoder transcoder = getTranscoder(format);
            try {
                decoded = transcoder.decode(data);
            } catch (RuntimeException e) {
                // convert failure to UOE
                throw new UnsupportedOperationException("Failure encoding data ("+data+") of type ("+data.getClass()+"): " + e.getMessage(), e);
            }
        }
    } else {
        decoded = getEntityRESTProvider().decodeData(data, format);
    }
    return decoded;
}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
@Test
public void testFormatAndOutputEntity() {

    String fo = null;
    String reference = null;
    OutputStream output = null;
    String format = Formats.XML;

    // XML test valid resolveable entity
    reference = TestData.REF4;
    output = new ByteArrayOutputStream();
    entityBroker.formatAndOutputEntity(reference, format, null, output, null);
    fo = output.toString();
    assertNotNull(fo);
    assertTrue(fo.length() > 20);
    assertTrue(fo.contains(TestData.PREFIX4));
    assertTrue(fo.contains("<id>4-one</id>"));
    assertTrue(fo.contains(EntityEncodingManager.ENTITY_REFERENCE));

    // test list of entities
    ArrayList<EntityData> testEntities = new ArrayList<EntityData>();
    testEntities.add( new EntityData(TestData.REF4, null, TestData.entity4) );
    testEntities.add( new EntityData(TestData.REF4_two, null, TestData.entity4_two) );
    reference = TestData.SPACE4;
    output = new ByteArrayOutputStream();
    entityBroker.formatAndOutputEntity(reference, format, testEntities, output, null);
    fo = output.toString();
    assertNotNull(fo);
    assertTrue(fo.length() > 20);
    assertTrue(fo.contains(TestData.PREFIX4));
    assertTrue(fo.contains("<id>4-one</id>"));
    assertTrue(fo.contains("<id>4-two</id>"));
    assertFalse(fo.contains("<id>4-three</id>"));
    assertTrue(fo.contains(EntityEncodingManager.ENTITY_REFERENCE));

}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
@Test
public void testTranslateInputToEntity() {
    // test no provider
    String reference = TestData.SPACE6;
    String format = Formats.XML;
    InputStream input = new ByteArrayInputStream( makeUTF8Bytes("<"+TestData.PREFIX6+"><stuff>TEST</stuff><number>5</number></"+TestData.PREFIX6+">") );
    try {
        entityBroker.translateInputToEntity(reference, format, input, null);
        Assert.fail("Should have died");
    } catch (UnsupportedOperationException e) {
        Assert.assertNotNull(e.getMessage());
    }
}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
@Test
public void testFormatAndOutputEntity() {
    // test no provider
    String reference = TestData.REF4;
    OutputStream output = new ByteArrayOutputStream();
    String format = Formats.XML;

    try {
        entityBroker.formatAndOutputEntity(reference, format, null, output, null);
        Assert.fail("Should have died");
    } catch (UnsupportedOperationException e) {
        Assert.assertNotNull(e.getMessage());
    }
}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
/**
 * Convenience method for making byte content encoded into UTF-8
 */
private byte[] makeUTF8Bytes(String string) {
    byte[] bytes;
    try {
        bytes = string.getBytes(Formats.UTF_8);
    } catch (UnsupportedEncodingException e) {
        bytes = string.getBytes();
    }
    return bytes;
}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
public void testJSONEncode() {
    String encoded = null;

    encoded = entityEncodingManager.encodeData(null, Formats.JSON, null, null);
    assertNotNull(encoded);
    assertEquals("", encoded);

    Map<String, Object> m = new ArrayOrderedMap<String, Object>();
    m.put("id", 123);
    m.put("thing", "AZ");
    encoded = entityEncodingManager.encodeData(m, Formats.JSON, null, null);
    assertNotNull(encoded);
    assertTrue(encoded.contains("123"));
    assertTrue(encoded.contains("AZ"));

    Map<String, Object> m2 = new ArrayOrderedMap<String, Object>();
    m2.put("name", "aaron");
    m2.put("date", new Date());
    m2.put("num", 456);
    m2.put("array", new String[] {"A","B","C"});
    m.put("map", m2);

    encoded = entityEncodingManager.encodeData(m, Formats.JSON, null, null);
    assertNotNull(encoded);
    assertTrue(encoded.contains("123"));
    assertTrue(encoded.contains("AZ"));
    assertTrue(encoded.contains("aaron"));
    assertTrue(encoded.contains("456"));

}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
protected String makeFormUrlHtml(String url, String[] formats) {
    String form = "";
    if (formats != null) {
        if (ArrayUtils.contains(formats, Formats.FORM)) {
            form = makeFormatUrlHtml(url, Formats.FORM);
        }
    }
    return form;
}
 

import org.sakaiproject.entitybroker.entityprovider.extension.Formats; //导入依赖的package包/类
/**
 * Override the transcoder used for a specific format
 * @param transcoder a transcoder implementation
 */
public void setTranscoder(Transcoder transcoder) {
    if (transcoder == null) {
        throw new IllegalArgumentException("transcoder cannot be null");
    }
    if (transcoders == null) {
        getTranscoder(Formats.XML);
    }
    String format = transcoder.getHandledFormat();
    if (format != null && transcoder != null) {
        transcoders.put(format, transcoder);
    }
}