Example usage for org.springframework.messaging MessageHeaders MessageHeaders

Introduction

In this page you can find the example usage for org.springframework.messaging MessageHeaders MessageHeaders.

Prototype

private MessageHeaders(MessageHeaders original, Set<String> keysToIgnore) 

Source Link

Document

Copy constructor which allows for ignoring certain entries.

Usage

From source file:org.springframework.messaging.MessageHeaders.java

private void writeObject(ObjectOutputStream out) throws IOException {
    Set<String> keysToIgnore = new HashSet<>();
    this.headers.forEach((key, value) -> {
        if (!(value instanceof Serializable)) {
            keysToIgnore.add(key);//from w ww .jav  a2  s.c  o  m
        }
    });

    if (keysToIgnore.isEmpty()) {
        // All entries are serializable -> serialize the regular MessageHeaders instance
        out.defaultWriteObject();
    } else {
        // Some non-serializable entries -> serialize a temporary MessageHeaders copy
        if (logger.isDebugEnabled()) {
            logger.debug("Ignoring non-serializable message headers: " + keysToIgnore);
        }
        out.writeObject(new MessageHeaders(this, keysToIgnore));
    }
}

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