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Construct StringWriter instances with appropriate initial size

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Closes gh-25789
This commit is contained in:
Juergen Hoeller
2020-10-07 14:36:30 +02:00
parent 01d86dc498
commit 6d137b56c1
7 changed files with 60 additions and 48 deletions
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16
spring-jms/src/main/java/org/springframework/jms/support/converter/MappingJackson2MessageConverter.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -121,7 +121,7 @@ public class MappingJackson2MessageConverter implements SmartMessageConverter, B
/**
* Specify the encoding to use when converting to and from text-based
* message body content. The default encoding will be "UTF-8".
* <p>When reading from a a text-based message, an encoding may have been
* <p>When reading from a text-based message, an encoding may have been
* suggested through a special JMS property which will then be preferred
* over the encoding set on this MessageConverter instance.
* @see #setEncodingPropertyName
@@ -267,13 +267,13 @@ public class MappingJackson2MessageConverter implements SmartMessageConverter, B
* @return the resulting message
* @throws JMSException if thrown by JMS methods
* @throws IOException in case of I/O errors
* @see Session#createBytesMessage
* @since 4.3
* @see Session#createBytesMessage
*/
protected TextMessage mapToTextMessage(Object object, Session session, ObjectWriter objectWriter)
throws JMSException, IOException {
StringWriter writer = new StringWriter();
StringWriter writer = new StringWriter(1024);
objectWriter.writeValue(writer, object);
return session.createTextMessage(writer.toString());
}
@@ -330,7 +330,7 @@ public class MappingJackson2MessageConverter implements SmartMessageConverter, B
* sets the resulting value (either a mapped id or the raw Java class name)
* into the configured type id message property.
* @param object the payload object to set a type id for
* @param message the JMS Message to set the type id on
* @param message the JMS Message on which to set the type id property
* @throws JMSException if thrown by JMS methods
* @see #getJavaTypeForMessage(javax.jms.Message)
* @see #setTypeIdPropertyName(String)
@@ -426,7 +426,7 @@ public class MappingJackson2MessageConverter implements SmartMessageConverter, B
* <p>The default implementation parses the configured type id property name
* and consults the configured type id mapping. This can be overridden with
* a different strategy, e.g. doing some heuristics based on message origin.
* @param message the JMS Message to set the type id on
* @param message the JMS Message from which to get the type id property
* @throws JMSException if thrown by JMS methods
* @see #setTypeIdOnMessage(Object, javax.jms.Message)
* @see #setTypeIdPropertyName(String)
@@ -441,11 +441,11 @@ public class MappingJackson2MessageConverter implements SmartMessageConverter, B
}
Class<?> mappedClass = this.idClassMappings.get(typeId);
if (mappedClass != null) {
return this.objectMapper.getTypeFactory().constructType(mappedClass);
return this.objectMapper.constructType(mappedClass);
}
try {
Class<?> typeClass = ClassUtils.forName(typeId, this.beanClassLoader);
return this.objectMapper.getTypeFactory().constructType(typeClass);
return this.objectMapper.constructType(typeClass);
}
catch (Throwable ex) {
throw new MessageConversionException("Failed to resolve type id [" + typeId + "]", ex);

6
spring-jms/src/main/java/org/springframework/jms/support/converter/MarshallingMessageConverter.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -47,8 +47,6 @@ import org.springframework.util.Assert;
* @author Arjen Poutsma
* @author Juergen Hoeller
* @since 3.0
* @see org.springframework.jms.core.JmsTemplate#convertAndSend
* @see org.springframework.jms.core.JmsTemplate#receiveAndConvert
*/
public class MarshallingMessageConverter implements MessageConverter, InitializingBean {
@@ -214,7 +212,7 @@ public class MarshallingMessageConverter implements MessageConverter, Initializi
protected TextMessage marshalToTextMessage(Object object, Session session, Marshaller marshaller)
throws JMSException, IOException, XmlMappingException {
StringWriter writer = new StringWriter();
StringWriter writer = new StringWriter(1024);
Result result = new StreamResult(writer);
marshaller.marshal(object, result);
return session.createTextMessage(writer.toString());