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Add Jackson view support. fix jooby-project#1087 
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‎doc/doc/jackson/jackson.md‎

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@@ -37,7 +37,27 @@ import org.jooby.json.Jackson;
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}
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```
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### advanced configuration
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## views
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Dynamic views are supported via `org.jooby.json.JacksonView` object:
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```java
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{
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use(new Jackson());
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get("/public", req -> {
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Item item = ...
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return new JacksonView<>(Views.Public.class, item);
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});
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get("/internal", req -> {
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Item item = ...
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return new JacksonView<>(Views.Internal.class, item);
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});
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}
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```
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## advanced configuration
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If you need a special setting or configuration for your [ObjectMapper](http://fasterxml.github.io/jackson-databind/javadoc/2.2.0/com/fasterxml/jackson/databind/ObjectMapper.html):
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‎modules/jooby-jackson/src/main/java/org/jooby/json/Jackson.java‎

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*/
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package org.jooby.json;
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import static java.util.Objects.requireNonNull;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import java.util.Optional;
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import java.util.Set;
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import java.util.TimeZone;
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import java.util.function.Consumer;
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import javax.inject.Inject;
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import org.jooby.Env;
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import org.jooby.Jooby;
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import org.jooby.MediaType;
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import org.jooby.Parser;
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import org.jooby.Renderer;
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import com.fasterxml.jackson.databind.Module;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
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import com.google.inject.multibindings.Multibinder;
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import com.google.inject.name.Names;
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import com.typesafe.config.Config;
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import static java.util.Objects.requireNonNull;
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import org.jooby.Env;
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import org.jooby.Jooby;
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import org.jooby.MediaType;
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import org.jooby.Parser;
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import org.jooby.Renderer;
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import javax.inject.Inject;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import java.util.Optional;
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import java.util.Set;
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import java.util.TimeZone;
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import java.util.function.Consumer;
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/**
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* <h1>jackson</h1>
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* }
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* </pre>
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*
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* <h2>views</h2>
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* <p>Dynamic views are supported via {@link JacksonView}:</p>
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*
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* <pre>{@code
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* {
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* use(new Jackson());
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*
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* get("/public", req -> {
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* Item item = ...;
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* return new JacksonView<>(Views.Public.class, item);
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* });
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*
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* get("/public", req -> {
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* Item item = ...;
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* return new JacksonView<>(Views.Internal.class, item);
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* });
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* }
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* }</pre>
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*
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* <h2>advanced configuration</h2>
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* <p>
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* If you need a special setting or configuration for your {@link ObjectMapper}:
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// direct access?
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binder.bind(Key.get(Renderer.class, Names.named(renderer.toString()))).toInstance(renderer);
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binder.bind(Key.get(Parser.class, Names.named(parser.toString()))).toInstance(parser);
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}
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}

‎modules/jooby-jackson/src/main/java/org/jooby/json/JacksonBaseRenderer.java‎

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This file was deleted.

‎modules/jooby-jackson/src/main/java/org/jooby/json/JacksonRawRenderer.java‎

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*/
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package org.jooby.json;
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import org.jooby.MediaType;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.jooby.MediaType;
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import org.jooby.Renderer;
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class JacksonRawRenderer extends JacksonRenderer {
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}
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@Override
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protected void renderValue(final Object value, final Context ctx) throws Exception {
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protected void renderValue(final Object value, final Renderer.Context ctx) throws Exception {
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if (value instanceof CharSequence) {
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ctx.send(value.toString());
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} else {

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