类org.springframework.core.codec.ByteArrayEncoder源码实例Demo

下面列出了怎么用org.springframework.core.codec.ByteArrayEncoder的API类实例代码及写法,或者点击链接到github查看源代码。


/**
 * Return writers that support specific types.
 * @param forMultipart whether to returns writers for general use ("false"),
 * or for multipart requests only ("true"). Generally the two sets are the
 * same except for the multipart writer itself.
 */
@SuppressWarnings("unchecked")
final List<HttpMessageWriter<?>> getTypedWriters(boolean forMultipart) {
	if (!this.registerDefaults) {
		return Collections.emptyList();
	}
	List<HttpMessageWriter<?>> writers = new ArrayList<>();
	writers.add(new EncoderHttpMessageWriter<>(new ByteArrayEncoder()));
	writers.add(new EncoderHttpMessageWriter<>(new ByteBufferEncoder()));
	writers.add(new EncoderHttpMessageWriter<>(new DataBufferEncoder()));
	writers.add(new ResourceHttpMessageWriter());
	writers.add(new EncoderHttpMessageWriter<>(CharSequenceEncoder.textPlainOnly()));
	// No client or server specific multipart writers currently..
	if (!forMultipart) {
		extendTypedWriters(writers);
	}
	if (protobufPresent) {
		Encoder<?> encoder = this.protobufEncoder != null ? this.protobufEncoder : new ProtobufEncoder();
		writers.add(new ProtobufHttpMessageWriter((Encoder) encoder));
	}
	return writers;
}
 

@Test
public void defaultWriters() {
	List<HttpMessageWriter<?>> writers = this.configurer.getWriters();
	assertEquals(11, writers.size());
	assertEquals(ByteArrayEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ByteBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(DataBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ResourceHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertStringEncoder(getNextEncoder(writers), true);
	assertEquals(ProtobufHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertEquals(Jackson2JsonEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jackson2SmileEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jaxb2XmlEncoder.class, getNextEncoder(writers).getClass());
	assertSseWriter(writers);
	assertStringEncoder(getNextEncoder(writers), false);
}
 

@Test
public void defaultWriters() {
	List<HttpMessageWriter<?>> writers = this.configurer.getWriters();
	assertEquals(11, writers.size());
	assertEquals(ByteArrayEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ByteBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(DataBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ResourceHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertStringEncoder(getNextEncoder(writers), true);
	assertEquals(MultipartHttpMessageWriter.class, writers.get(this.index.getAndIncrement()).getClass());
	assertEquals(ProtobufHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertEquals(Jackson2JsonEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jackson2SmileEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jaxb2XmlEncoder.class, getNextEncoder(writers).getClass());
	assertStringEncoder(getNextEncoder(writers), false);
}
 

/**
 * Return writers that support specific types.
 * @param forMultipart whether to returns writers for general use ("false"),
 * or for multipart requests only ("true"). Generally the two sets are the
 * same except for the multipart writer itself.
 */
@SuppressWarnings("unchecked")
final List<HttpMessageWriter<?>> getTypedWriters(boolean forMultipart) {
	if (!this.registerDefaults) {
		return Collections.emptyList();
	}
	List<HttpMessageWriter<?>> writers = new ArrayList<>();
	writers.add(new EncoderHttpMessageWriter<>(new ByteArrayEncoder()));
	writers.add(new EncoderHttpMessageWriter<>(new ByteBufferEncoder()));
	writers.add(new EncoderHttpMessageWriter<>(new DataBufferEncoder()));
	writers.add(new ResourceHttpMessageWriter());
	writers.add(new EncoderHttpMessageWriter<>(CharSequenceEncoder.textPlainOnly()));
	// No client or server specific multipart writers currently..
	if (!forMultipart) {
		extendTypedWriters(writers);
	}
	if (protobufPresent) {
		Encoder<?> encoder = this.protobufEncoder != null ? this.protobufEncoder : new ProtobufEncoder();
		writers.add(new ProtobufHttpMessageWriter((Encoder) encoder));
	}
	return writers;
}
 

@Test
public void defaultWriters() {
	List<HttpMessageWriter<?>> writers = this.configurer.getWriters();
	assertEquals(11, writers.size());
	assertEquals(ByteArrayEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ByteBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(DataBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ResourceHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertStringEncoder(getNextEncoder(writers), true);
	assertEquals(ProtobufHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertEquals(Jackson2JsonEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jackson2SmileEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jaxb2XmlEncoder.class, getNextEncoder(writers).getClass());
	assertSseWriter(writers);
	assertStringEncoder(getNextEncoder(writers), false);
}
 

@Test
public void defaultWriters() {
	List<HttpMessageWriter<?>> writers = this.configurer.getWriters();
	assertEquals(11, writers.size());
	assertEquals(ByteArrayEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ByteBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(DataBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ResourceHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertStringEncoder(getNextEncoder(writers), true);
	assertEquals(MultipartHttpMessageWriter.class, writers.get(this.index.getAndIncrement()).getClass());
	assertEquals(ProtobufHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertEquals(Jackson2JsonEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jackson2SmileEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jaxb2XmlEncoder.class, getNextEncoder(writers).getClass());
	assertStringEncoder(getNextEncoder(writers), false);
}
 

@Test
public void defaultWriters() {
	List<HttpMessageWriter<?>> writers = this.configurer.getWriters();
	assertEquals(10, writers.size());
	assertEquals(ByteArrayEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ByteBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(DataBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ResourceHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertStringEncoder(getNextEncoder(writers), true);
	assertEquals(ProtobufHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertEquals(Jackson2JsonEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jackson2SmileEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jaxb2XmlEncoder.class, getNextEncoder(writers).getClass());
	assertStringEncoder(getNextEncoder(writers), false);
}
 

@Test
public void defaultAndCustomWriters() {
	Encoder<?> customEncoder1 = mock(Encoder.class);
	Encoder<?> customEncoder2 = mock(Encoder.class);

	given(customEncoder1.canEncode(ResolvableType.forClass(Object.class), null)).willReturn(false);
	given(customEncoder2.canEncode(ResolvableType.forClass(Object.class), null)).willReturn(true);

	HttpMessageWriter<?> customWriter1 = mock(HttpMessageWriter.class);
	HttpMessageWriter<?> customWriter2 = mock(HttpMessageWriter.class);

	given(customWriter1.canWrite(ResolvableType.forClass(Object.class), null)).willReturn(false);
	given(customWriter2.canWrite(ResolvableType.forClass(Object.class), null)).willReturn(true);

	this.configurer.customCodecs().encoder(customEncoder1);
	this.configurer.customCodecs().encoder(customEncoder2);

	this.configurer.customCodecs().writer(customWriter1);
	this.configurer.customCodecs().writer(customWriter2);

	List<HttpMessageWriter<?>> writers = this.configurer.getWriters();

	assertEquals(14, writers.size());
	assertSame(customEncoder1, getNextEncoder(writers));
	assertSame(customWriter1, writers.get(this.index.getAndIncrement()));
	assertEquals(ByteArrayEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ByteBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(DataBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ResourceHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertEquals(CharSequenceEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ProtobufHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertSame(customEncoder2, getNextEncoder(writers));
	assertSame(customWriter2, writers.get(this.index.getAndIncrement()));
	assertEquals(Jackson2JsonEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jackson2SmileEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jaxb2XmlEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(CharSequenceEncoder.class, getNextEncoder(writers).getClass());
}
 

@Test
public void defaultWriters() {
	List<HttpMessageWriter<?>> writers = this.configurer.getWriters();
	assertEquals(10, writers.size());
	assertEquals(ByteArrayEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ByteBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(DataBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ResourceHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertStringEncoder(getNextEncoder(writers), true);
	assertEquals(ProtobufHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertEquals(Jackson2JsonEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jackson2SmileEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jaxb2XmlEncoder.class, getNextEncoder(writers).getClass());
	assertStringEncoder(getNextEncoder(writers), false);
}
 

@Test
public void defaultAndCustomWriters() {
	Encoder<?> customEncoder1 = mock(Encoder.class);
	Encoder<?> customEncoder2 = mock(Encoder.class);

	when(customEncoder1.canEncode(ResolvableType.forClass(Object.class), null)).thenReturn(false);
	when(customEncoder2.canEncode(ResolvableType.forClass(Object.class), null)).thenReturn(true);

	HttpMessageWriter<?> customWriter1 = mock(HttpMessageWriter.class);
	HttpMessageWriter<?> customWriter2 = mock(HttpMessageWriter.class);

	when(customWriter1.canWrite(ResolvableType.forClass(Object.class), null)).thenReturn(false);
	when(customWriter2.canWrite(ResolvableType.forClass(Object.class), null)).thenReturn(true);

	this.configurer.customCodecs().encoder(customEncoder1);
	this.configurer.customCodecs().encoder(customEncoder2);

	this.configurer.customCodecs().writer(customWriter1);
	this.configurer.customCodecs().writer(customWriter2);

	List<HttpMessageWriter<?>> writers = this.configurer.getWriters();

	assertEquals(14, writers.size());
	assertEquals(ByteArrayEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ByteBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(DataBufferEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ResourceHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertEquals(CharSequenceEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(ProtobufHttpMessageWriter.class, writers.get(index.getAndIncrement()).getClass());
	assertSame(customEncoder1, getNextEncoder(writers));
	assertSame(customWriter1, writers.get(this.index.getAndIncrement()));
	assertEquals(Jackson2JsonEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jackson2SmileEncoder.class, getNextEncoder(writers).getClass());
	assertEquals(Jaxb2XmlEncoder.class, getNextEncoder(writers).getClass());
	assertSame(customEncoder2, getNextEncoder(writers));
	assertSame(customWriter2, writers.get(this.index.getAndIncrement()));
	assertEquals(CharSequenceEncoder.class, getNextEncoder(writers).getClass());
}
 
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