| package com.fasterxml.jackson.databind.ser.std; |
| |
| import java.io.*; |
| import java.lang.reflect.Type; |
| import java.util.*; |
| import java.util.concurrent.atomic.*; |
| |
| import com.fasterxml.jackson.core.*; |
| |
| import com.fasterxml.jackson.databind.*; |
| import com.fasterxml.jackson.databind.ser.BasicSerializerFactory; |
| import com.fasterxml.jackson.databind.util.Provider; |
| |
| /** |
| * Class that providers access to serializers user for non-structured JDK types that |
| * are serializer as scalars; some using basic {@link ToStringSerializer}, |
| * others explicit serializers. |
| */ |
| public class StdJdkSerializers |
| implements Provider<Map.Entry<Class<?>,Object>> |
| { |
| /** |
| * Method called by {@link BasicSerializerFactory} to access |
| * all serializers this class provides. |
| */ |
| @Override |
| public Collection<Map.Entry<Class<?>, Object>> provide() |
| { |
| HashMap<Class<?>,Object> sers = new HashMap<Class<?>,Object>(); |
| |
| // First things that 'toString()' can handle |
| final ToStringSerializer sls = ToStringSerializer.instance; |
| |
| sers.put(java.net.URL.class, sls); |
| sers.put(java.net.URI.class, sls); |
| |
| sers.put(Currency.class, sls); |
| sers.put(UUID.class, sls); |
| sers.put(java.util.regex.Pattern.class, sls); |
| sers.put(Locale.class, sls); |
| |
| // starting with 1.7, use compact String for Locale |
| sers.put(Locale.class, sls); |
| |
| // then atomic types |
| sers.put(AtomicReference.class, AtomicReferenceSerializer.class); |
| sers.put(AtomicBoolean.class, AtomicBooleanSerializer.class); |
| sers.put(AtomicInteger.class, AtomicIntegerSerializer.class); |
| sers.put(AtomicLong.class, AtomicLongSerializer.class); |
| |
| // then types that need specialized serializers |
| sers.put(File.class, FileSerializer.class); |
| sers.put(Class.class, ClassSerializer.class); |
| |
| // And then some stranger types... not 100% they are needed but: |
| sers.put(Void.TYPE, NullSerializer.class); |
| |
| return sers.entrySet(); |
| } |
| |
| /* |
| ******************************************************** |
| * Serializers for atomic types |
| ******************************************************** |
| */ |
| |
| public final static class AtomicBooleanSerializer |
| extends ScalarSerializerBase<AtomicBoolean> |
| { |
| public AtomicBooleanSerializer() { super(AtomicBoolean.class, false); } |
| |
| @Override |
| public void serialize(AtomicBoolean value, JsonGenerator jgen, SerializerProvider provider) |
| throws IOException, JsonGenerationException |
| { |
| jgen.writeBoolean(value.get()); |
| } |
| |
| @Override |
| public JsonNode getSchema(SerializerProvider provider, Type typeHint) |
| { |
| return createSchemaNode("boolean", true); |
| } |
| } |
| |
| public final static class AtomicIntegerSerializer |
| extends ScalarSerializerBase<AtomicInteger> |
| { |
| public AtomicIntegerSerializer() { super(AtomicInteger.class, false); } |
| |
| @Override |
| public void serialize(AtomicInteger value, JsonGenerator jgen, SerializerProvider provider) |
| throws IOException, JsonGenerationException |
| { |
| jgen.writeNumber(value.get()); |
| } |
| |
| @Override |
| public JsonNode getSchema(SerializerProvider provider, Type typeHint) |
| { |
| return createSchemaNode("integer", true); |
| } |
| } |
| |
| public final static class AtomicLongSerializer |
| extends ScalarSerializerBase<AtomicLong> |
| { |
| public AtomicLongSerializer() { super(AtomicLong.class, false); } |
| |
| @Override |
| public void serialize(AtomicLong value, JsonGenerator jgen, SerializerProvider provider) |
| throws IOException, JsonGenerationException |
| { |
| jgen.writeNumber(value.get()); |
| } |
| |
| @Override |
| public JsonNode getSchema(SerializerProvider provider, Type typeHint) |
| { |
| return createSchemaNode("integer", true); |
| } |
| } |
| |
| public final static class AtomicReferenceSerializer |
| extends SerializerBase<AtomicReference<?>> |
| { |
| public AtomicReferenceSerializer() { super(AtomicReference.class, false); } |
| |
| @Override |
| public void serialize(AtomicReference<?> value, JsonGenerator jgen, SerializerProvider provider) |
| throws IOException, JsonGenerationException |
| { |
| provider.defaultSerializeValue(value.get(), jgen); |
| } |
| |
| @Override |
| public JsonNode getSchema(SerializerProvider provider, Type typeHint) |
| { |
| return createSchemaNode("any", true); |
| } |
| } |
| |
| /* |
| /********************************************************** |
| /* Specialized serializers, referential types |
| /********************************************************** |
| */ |
| |
| /** |
| * For now, File objects get serialized by just outputting |
| * absolute (but not canonical) name as String value |
| */ |
| public final static class FileSerializer |
| extends ScalarSerializerBase<File> |
| { |
| public FileSerializer() { super(File.class); } |
| |
| @Override |
| public void serialize(File value, JsonGenerator jgen, SerializerProvider provider) |
| throws IOException, JsonGenerationException |
| { |
| jgen.writeString(value.getAbsolutePath()); |
| } |
| |
| @Override |
| public JsonNode getSchema(SerializerProvider provider, Type typeHint) |
| { |
| return createSchemaNode("string", true); |
| } |
| } |
| |
| /** |
| * Also: default bean access will not do much good with Class.class. But |
| * we can just serialize the class name and that should be enough. |
| */ |
| public final static class ClassSerializer |
| extends ScalarSerializerBase<Class<?>> |
| { |
| public ClassSerializer() { super(Class.class, false); } |
| |
| @Override |
| public void serialize(Class<?> value, JsonGenerator jgen, SerializerProvider provider) |
| throws IOException, JsonGenerationException |
| { |
| jgen.writeString(value.getName()); |
| } |
| |
| @Override |
| public JsonNode getSchema(SerializerProvider provider, Type typeHint) |
| { |
| return createSchemaNode("string", true); |
| } |
| } |
| } |