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Extract JsonWriter for json output

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AsamK 2021-01-16 20:11:32 +01:00
parent d4b4bd8603
commit 03bf043959
6 changed files with 94 additions and 89 deletions
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37
src/main/java/org/asamk/signal/JsonWriter.java Normal file
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package org.asamk.signal;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;
public class JsonWriter {
private final OutputStreamWriter writer;
private final ObjectMapper objectMapper;
public JsonWriter(final OutputStream writer) {
this.writer = new OutputStreamWriter(writer, StandardCharsets.UTF_8);
objectMapper = new ObjectMapper();
objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
objectMapper.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
}
public void write(final Object object) throws IOException {
try {
objectMapper.writeValue(writer, object);
} catch (JsonProcessingException e) {
// Some issue with json serialization, probably caused by a bug
throw new AssertionError(e);
}
writer.write(System.lineSeparator());
writer.flush();
}
}