com.urbanairship.api.push.parse.audience.SelectorDeserializer Maven / Gradle / Ivy
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The Urban Airship Java client library
/*
* Copyright (c) 2013-2016. Urban Airship and Contributors
*/
package com.urbanairship.api.push.parse.audience;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.google.common.base.Supplier;
import com.google.common.collect.ImmutableMap;
import com.urbanairship.api.common.parse.APIParsingException;
import com.urbanairship.api.common.parse.FieldParser;
import com.urbanairship.api.common.parse.FieldParserRegistry;
import com.urbanairship.api.common.parse.MapFieldParserRegistry;
import com.urbanairship.api.common.parse.StandardObjectDeserializer;
import com.urbanairship.api.push.model.audience.Selector;
import com.urbanairship.api.push.model.audience.SelectorType;
import com.urbanairship.api.push.model.audience.Selectors;
import java.io.IOException;
import java.util.Map;
import java.util.TreeMap;
public class SelectorDeserializer extends JsonDeserializer {
private static final FieldParserRegistry FIELD_PARSERS = new MapFieldParserRegistry(
getRegistryMap(),
// Default parser
new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readExtraField(parser);
}
}
);
public static final SelectorDeserializer INSTANCE = new SelectorDeserializer();
private final StandardObjectDeserializer deserializer;
public SelectorDeserializer() {
deserializer = new StandardObjectDeserializer(
FIELD_PARSERS,
new Supplier() {
@Override
public SelectorReader get() {
return new SelectorReader();
}
}
);
}
@Override
public Selector deserialize(JsonParser parser, DeserializationContext context) throws IOException {
JsonToken token = parser.getCurrentToken();
// log.debug("deserialize(): " + token.name());
if (token == JsonToken.VALUE_STRING) {
return readAtomicSelector(parser);
} else {
return deserializer.deserialize(parser, context);
}
}
/**
* Read an atomic selector from the parse stream. This is called
* when we get a plain string where we're expecting a selector
* (i.e. this will only be called situations where "all" or
* "triggered" would be appropriate, NOT when parsing a list of
* strings in an implicit-OR expression.
*/
private Selector readAtomicSelector(JsonParser parser) throws IOException {
String value = parser.getText();
SelectorType type = SelectorType.getSelectorTypeFromIdentifier(value);
if (type != null) {
return Selectors.atomic(type);
} else {
throw new APIParsingException(String.format("Unknown atomic selector '%s'", value));
}
}
private static Map> getRegistryMap() {
Map> registryMap = ImmutableMap.>builder()
// Value selectors
.put("tag", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.TAG, parser, context);
}
})
.put("alias", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.ALIAS, parser, context);
}
})
.put("named_user", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.NAMED_USER, parser, context);
}
})
.put("segment", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.SEGMENT, parser, context);
}
})
.put("static_list", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.STATIC_LIST, parser, context);
}
})
// Device ID value selectors
.put("device_token", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.DEVICE_TOKEN, parser, context);
}
})
.put("apid", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.APID, parser, context);
}
})
.put("wns", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.WNS, parser, context);
}
})
.put("ios_channel", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.IOS_CHANNEL, parser, context);
}
})
.put("amazon_channel", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.AMAZON_CHANNEL, parser, context);
}
})
.put("android_channel", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readValueSelector(SelectorType.ANDROID_CHANNEL, parser, context);
}
})
// Compound selectors
.put("and", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readCompoundSelector(SelectorType.AND, parser, context);
}
})
.put("or", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readCompoundSelector(SelectorType.OR, parser, context);
}
})
.put("not", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readCompoundSelector(SelectorType.NOT, parser, context);
}
})
.put("location", new FieldParser() {
@Override
public void parse(SelectorReader reader, JsonParser parser, DeserializationContext context) throws IOException {
reader.readLocationSelector(parser);
}
})
.build();
TreeMap> caseInsensitiveRegistryMap = new TreeMap>(String.CASE_INSENSITIVE_ORDER);
caseInsensitiveRegistryMap.putAll(registryMap);
return caseInsensitiveRegistryMap;
}
}