Java Restful jboss反序列化
我正在JBoss7.1.1 Final中构建一个restful Web服务。它工作得很好,直到我需要一个自定义反序列化程序。代码:Java Restful jboss反序列化,java,json,web-services,rest,jboss,Java,Json,Web Services,Rest,Jboss,我正在JBoss7.1.1 Final中构建一个restful Web服务。它工作得很好,直到我需要一个自定义反序列化程序。代码: @Entity @DiscriminatorColumn(name = "tipo") @Table(name = "debitavel", schema = "despesas_db") @Inheritance(strategy = InheritanceType.JOINED) @JsonDeserialize(using = DebitavelDeseria
@Entity
@DiscriminatorColumn(name = "tipo")
@Table(name = "debitavel", schema = "despesas_db")
@Inheritance(strategy = InheritanceType.JOINED)
@JsonDeserialize(using = DebitavelDeserializer.class)
@JsonSerialize(using = DebitavelSerializer.class)
public abstract class Debitavel {
}
该类有2个子类:
@Entity
@Table(name = "conta", schema = "despesas_db")
@DiscriminatorValue(value = "CONTA")
public class Conta extends Debitavel {
}
@Entity
@DiscriminatorValue(value = "CONTA")
@Table(name = "cartao", schema = "despesas_db")
public class CartaoCredito extends Debitavel {
}
我让这个类使用Debitavel:
@Entity
@Table(name = "despesa", schema = "despesas_db")
@DiscriminatorValue(value = "D")
public class Despesa {
@Column
private String descricao;
@ManyToOne
@JoinColumn(name = "debitavel_id")
protected Debitavel debitavel;
}
所以在页面中,我发送了一个类似这样的json
{
"descricao": "TESTE",
"debitavel": {
"id": 101,
"descricao": "Conta1",
"cor": "#ff0000",
"tipo": "CONTA"
}
}
所以,我想创建一个基于atributte tipo的CartaoCredito或Conta实例的类,所以我构建了一个反序列化器:
public class DebitavelDeserializer extends JsonDeserializer<Debitavel> {
@Override
public Debitavel deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
//staff to create Conta or CartaoCredito
}
公共类DebitavelDeserializer扩展JsonDeserializer{
@凌驾
public Debitavel反序列化(JsonParser jp,反序列化上下文ctxt)抛出IOException,JsonProcessingException{
//创建Conta或CartaoCredito的员工
}
}
还有我的pom.xml:
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-core-asl</artifactId>
<version>1.9.12</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.12</version>
</dependency>
org.codehaus.jackson
jackson core asl
1.9.12
org.codehaus.jackson
杰克逊地图绘制者
1.9.12
然而,当我尝试部署应用程序时,jboss说Debitavel是一个抽象类,无法构建实例。我寻找解决方案,并尝试了几种解决方案:
- 使用jboss中的模块创建jboss-deployment-structure.xml,并将pom.xml更改为提供的李>
- 更改intire resteasy模块李>
- 更改为新的jackson 2.x李>
我解决了。。。但老实说,我不明白为什么,让我们看看: 我将pom.xml更改为
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-jaxrs</artifactId>
<version>2.3.2.Final</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-multipart-provider</artifactId>
<version>2.3.2.Final</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-jackson-provider</artifactId>
<version>2.3.2.Final</version>
</dependency>
org.jboss.resteasy
resteasy jaxrs
2.3.2.最终版本
假如
org.jboss.resteasy
resteasy多部分提供程序
2.3.2.最终版本
假如
org.jboss.resteasy
resteasy jackson提供商
2.3.2.最终版本
一切都很好。有人可以解释为什么这样做?从resteasy jackson提供商添加依赖项也可以帮助我。