org.apache.xmlbeans.impl.soap

## Class SOAPMessage

- java.lang.Object
- - org.apache.xmlbeans.impl.soap.SOAPMessage

-     public abstract class SOAPMessage
      extends Object

  The root class for all SOAP messages. As transmitted on the "wire", a SOAP message is an XML document or a MIME message whose first body part is an XML/SOAP document.

  A `SOAPMessage` object consists of a SOAP part and optionally one or more attachment parts. The SOAP part for a `SOAPMessage` object is a `SOAPPart` object, which contains information used for message routing and identification, and which can contain application-specific content. All data in the SOAP Part of a message must be in XML format.

  A new `SOAPMessage` object contains the following by default:

  - A `SOAPPart` object
  - A `SOAPEnvelope` object
  - A `SOAPBody` object
  - A `SOAPHeader` object
  The SOAP part of a message can be retrieved by calling the method `SOAPMessage.getSOAPPart()`. The `SOAPEnvelope` object is retrieved from the `SOAPPart` object, and the `SOAPEnvelope` object is used to retrieve the `SOAPBody` and `SOAPHeader` objects.

       SOAPPart sp = message.getSOAPPart();
       SOAPEnvelope se = sp.getEnvelope();
       SOAPBody sb = se.getBody();
       SOAPHeader sh = se.getHeader();

  In addition to the mandatory `SOAPPart` object, a `SOAPMessage` object may contain zero or more `AttachmentPart` objects, each of which contains application-specific data. The `SOAPMessage` interface provides methods for creating `AttachmentPart` objects and also for adding them to a `SOAPMessage` object. A party that has received a `SOAPMessage` object can examine its contents by retrieving individual attachment parts.

  Unlike the rest of a SOAP message, an attachment is not required to be in XML format and can therefore be anything from simple text to an image file. Consequently, any message content that is not in XML format must be in an `AttachmentPart` object.

  A `MessageFactory` object creates new `SOAPMessage` objects. If the `MessageFactory` object was initialized with a messaging Profile, it produces `SOAPMessage` objects that conform to that Profile. For example, a `SOAPMessage` object created by a `MessageFactory` object initialized with the ebXML Profile will have the appropriate ebXML headers.

  See Also:
    `MessageFactory`, `AttachmentPart`

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `CHARACTER_SET_ENCODING` Specifies the character type encoding for the SOAP Message.
    `static String` | `WRITE_XML_DECLARATION` Specifies whether the SOAP Message should contain an XML declaration.

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `SOAPMessage()`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `abstract void` | `addAttachmentPart(AttachmentPart attachmentpart)` Adds the given `AttachmentPart` object to this `SOAPMessage` object.
    `abstract int` | `countAttachments()` Gets a count of the number of attachments in this message.
    `abstract AttachmentPart` | `createAttachmentPart()` Creates a new empty `AttachmentPart` object.
    `AttachmentPart` | `createAttachmentPart(Object content, String contentType)` Creates an `AttachmentPart` object and populates it with the specified data of the specified content type.
    `abstract Iterator` | `getAttachments()` Retrieves all the `AttachmentPart` objects that are part of this `SOAPMessage` object.
    `abstract Iterator` | `getAttachments(MimeHeaders headers)` Retrieves all the `AttachmentPart` objects that have header entries that match the specified headers.
    `abstract String` | `getContentDescription()` Retrieves a description of this `SOAPMessage` object's content.
    `abstract MimeHeaders` | `getMimeHeaders()` Returns all the transport-specific MIME headers for this `SOAPMessage` object in a transport-independent fashion.
    `abstract Object` | `getProperty(String property)` Retrieves value of the specified property.
    `abstract SOAPBody` | `getSOAPBody()` Gets the SOAP Body contained in this `SOAPMessage` object.
    `abstract SOAPHeader` | `getSOAPHeader()` Gets the SOAP Header contained in this `SOAPMessage` object.
    `abstract SOAPPart` | `getSOAPPart()` Gets the SOAP part of this `SOAPMessage` object.
    `abstract void` | `removeAllAttachments()` Removes all `AttachmentPart` objects that have been added to this `SOAPMessage` object.
    `abstract void` | `saveChanges()` Updates this `SOAPMessage` object with all the changes that have been made to it.
    `abstract boolean` | `saveRequired()` Indicates whether this `SOAPMessage` object has had the method `saveChanges` called on it.
    `abstract void` | `setContentDescription(String description)` Sets the description of this `SOAPMessage` object's content with the given description.
    `abstract void` | `setProperty(String property, Object value)` Associates the specified value with the specified property.
    `abstract void` | `writeTo(OutputStream out)` Writes this `SOAPMessage` object to the given output stream.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### CHARACTER_SET_ENCODING

          public static final String CHARACTER_SET_ENCODING

      Specifies the character type encoding for the SOAP Message.
      See Also:
        Constant Field Values

    - #### WRITE_XML_DECLARATION

          public static final String WRITE_XML_DECLARATION

      Specifies whether the SOAP Message should contain an XML declaration.
      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### SOAPMessage

          public SOAPMessage()

  - ### Method Detail

    - #### getContentDescription

          public abstract String getContentDescription()

      Retrieves a description of this `SOAPMessage` object's content.
      Returns:
        a `String` describing the content of this message or `null` if no description has been set
      See Also:
        `setContentDescription(java.lang.String)`

    - #### setContentDescription

          public abstract void setContentDescription(String description)

      Sets the description of this `SOAPMessage` object's content with the given description.
      Parameters:
        `description` - a `String` describing the content of this message
      See Also:
        `getContentDescription()`

    - #### getSOAPPart

          public abstract SOAPPart getSOAPPart()

      Gets the SOAP part of this `SOAPMessage` object.

      If a `SOAPMessage` object contains one or more attachments, the SOAP Part must be the first MIME body part in the message.

      Returns:
        the `SOAPPart` object for this `SOAPMessage` object

    - #### removeAllAttachments

          public abstract void removeAllAttachments()

      Removes all `AttachmentPart` objects that have been added to this `SOAPMessage` object.

      This method does not touch the SOAP part.

    - #### countAttachments

          public abstract int countAttachments()

      Gets a count of the number of attachments in this message. This count does not include the SOAP part.
      Returns:
        the number of `AttachmentPart` objects that are part of this `SOAPMessage` object

    - #### getAttachments

          public abstract Iterator getAttachments()

      Retrieves all the `AttachmentPart` objects that are part of this `SOAPMessage` object.
      Returns:
        an iterator over all the attachments in this message

    - #### getAttachments

          public abstract Iterator getAttachments(MimeHeaders headers)

      Retrieves all the `AttachmentPart` objects that have header entries that match the specified headers. Note that a returned attachment could have headers in addition to those specified.
      Parameters:
        `headers` - a `MimeHeaders` object containing the MIME headers for which to search
      Returns:
        an iterator over all attachments that have a header that matches one of the given headers

    - #### addAttachmentPart

          public abstract void addAttachmentPart(AttachmentPart attachmentpart)

      Adds the given `AttachmentPart` object to this `SOAPMessage` object. An `AttachmentPart` object must be created before it can be added to a message.
      Parameters:
        `attachmentpart` - an `AttachmentPart` object that is to become part of this `SOAPMessage` object
      Throws:
        `IllegalArgumentException`

    - #### createAttachmentPart

          public abstract AttachmentPart createAttachmentPart()

      Creates a new empty `AttachmentPart` object. Note that the method `addAttachmentPart` must be called with this new `AttachmentPart` object as the parameter in order for it to become an attachment to this `SOAPMessage` object.
      Returns:
        a new `AttachmentPart` object that can be populated and added to this `SOAPMessage` object

    - #### getMimeHeaders

          public abstract MimeHeaders getMimeHeaders()

      Returns all the transport-specific MIME headers for this `SOAPMessage` object in a transport-independent fashion.
      Returns:
        a `MimeHeaders` object containing the `MimeHeader` objects

    - #### createAttachmentPart

          public AttachmentPart createAttachmentPart(Object content,
                                                     String contentType)

      Creates an `AttachmentPart` object and populates it with the specified data of the specified content type.
      Parameters:
        `content` - an `Object` containing the content for this `SOAPMessage` object
        `contentType` - a `String` object giving the type of content; examples are "text/xml", "text/plain", and "image/jpeg"
      Returns:
        a new `AttachmentPart` object that contains the given data
      Throws:
        `IllegalArgumentException` - if the contentType does not match the type of the content object, or if there was no `DataContentHandler` object for the given content object
      See Also:
        `DataHandler`, `DataContentHandler`

    - #### saveChanges

          public abstract void saveChanges()
                                    throws SOAPException

      Updates this `SOAPMessage` object with all the changes that have been made to it. This method is called automatically when a message is sent or written to by the methods `ProviderConnection.send`, `SOAPConnection.call`, or `SOAPMessage.writeTo`. However, if changes are made to a message that was received or to one that has already been sent, the method `saveChanges` needs to be called explicitly in order to save the changes. The method `saveChanges` also generates any changes that can be read back (for example, a MessageId in profiles that support a message id). All MIME headers in a message that is created for sending purposes are guaranteed to have valid values only after `saveChanges` has been called.

      In addition, this method marks the point at which the data from all constituent `AttachmentPart` objects are pulled into the message.

      Throws:
        `SOAPException` - if there was a problem saving changes to this message.

    - #### saveRequired

          public abstract boolean saveRequired()

      Indicates whether this `SOAPMessage` object has had the method `saveChanges` called on it.
      Returns:
        `true` if `saveChanges` has been called on this message at least once; `false` otherwise.

    - #### writeTo

          public abstract void writeTo(OutputStream out)
                                throws SOAPException,
                                       IOException

      Writes this `SOAPMessage` object to the given output stream. The externalization format is as defined by the SOAP 1.1 with Attachments specification.

      If there are no attachments, just an XML stream is written out. For those messages that have attachments, `writeTo` writes a MIME-encoded byte stream.

      Parameters:
        `out` - the `OutputStream` object to which this `SOAPMessage` object will be written
      Throws:
        `SOAPException` - if there was a problem in externalizing this SOAP message
        `IOException` - if an I/O error occurs

    - #### getSOAPBody

          public abstract SOAPBody getSOAPBody()
                                        throws SOAPException

      Gets the SOAP Body contained in this `SOAPMessage` object.
      Returns:
        the `SOAPBody` object contained by this `SOAPMessage` object
      Throws:
        `SOAPException` - if the SOAP Body does not exist or cannot be retrieved

    - #### getSOAPHeader

          public abstract SOAPHeader getSOAPHeader()
                                            throws SOAPException

      Gets the SOAP Header contained in this `SOAPMessage` object.
      Returns:
        the `SOAPHeader` object contained by this `SOAPMessage` object
      Throws:
        `SOAPException` - if the SOAP Header does not exist or cannot be retrieved

    - #### setProperty

          public abstract void setProperty(String property,
                                           Object value)
                                    throws SOAPException

      Associates the specified value with the specified property. If there was already a value associated with this property, the old value is replaced.

      The valid property names include `WRITE_XML_DECLARATION` and `CHARACTER_SET_ENCODING`. All of these standard SAAJ properties are prefixed by "javax.xml.soap". Vendors may also add implementation specific properties. These properties must be prefixed with package names that are unique to the vendor.

      Setting the property `WRITE_XML_DECLARATION` to `"true"` will cause an XML Declaration to be written out at the start of the SOAP message. The default value of "false" suppresses this declaration.

      The property `CHARACTER_SET_ENCODING` defaults to the value `"utf-8"` which causes the SOAP message to be encoded using UTF-8. Setting `CHARACTER_SET_ENCODING` to `"utf-16"` causes the SOAP message to be encoded using UTF-16.

      Some implementations may allow encodings in addition to UTF-8 and UTF-16. Refer to your vendor's documentation for details.

      Parameters:
        `property` - the property with which the specified value is to be associated
        `value` - the value to be associated with the specified property
      Throws:
        `SOAPException` - if the property name is not recognized

    - #### getProperty

          public abstract Object getProperty(String property)
                                      throws SOAPException

      Retrieves value of the specified property.
      Parameters:
        `property` - the name of the property to retrieve
      Returns:
        the value of the property or `null` if no such property exists
      Throws:
        `SOAPException` - if the property name is not recognized