ResourceLoadingArgs

Inheritance: java.lang.Object

public class ResourceLoadingArgs

Provides data for the IResourceLoadingCallback.resourceLoading(com.aspose.words.ResourceLoadingArgs) method.

Examples:

Shows how to customize the process of loading external resources into a document.

 public void resourceLoadingCallback() throws Exception {
     Document doc = new Document();
     doc.setResourceLoadingCallback(new ImageNameHandler());

     DocumentBuilder builder = new DocumentBuilder(doc);

     // Images usually are inserted using a URI, or a byte array.
     // Every instance of a resource load will call our callback's ResourceLoading method.
     builder.insertImage("Google logo");
     builder.insertImage("Aspose logo");
     builder.insertImage("Watermark");

     Assert.assertEquals(3, doc.getChildNodes(NodeType.SHAPE, true).getCount());

     doc.save(getArtifactsDir() + "DocumentBase.ResourceLoadingCallback.docx");
 }

 /// 
 /// Allows us to load images into a document using predefined shorthands, as opposed to URIs.
 /// This will separate image loading logic from the rest of the document construction.
 /// 
 private static class ImageNameHandler implements IResourceLoadingCallback {
     public int resourceLoading(final ResourceLoadingArgs args) throws URISyntaxException, IOException {
         if (args.getResourceType() == ResourceType.IMAGE) {
             // If this callback encounters one of the image shorthands while loading an image,
             // it will apply unique logic for each defined shorthand instead of treating it as a URI.
             if ("Google logo".equals(args.getOriginalUri())) {
                 args.setData(DocumentHelper.getBytesFromStream(new URI("http://www.google.com/images/logos/ps_logo2.png").toURL().openStream()));

                 return ResourceLoadingAction.USER_PROVIDED;
             }

             if ("Aspose logo".equals(args.getOriginalUri())) {
                 args.setData(DocumentHelper.getBytesFromStream(getAsposelogoUri().toURL().openStream()));

                 return ResourceLoadingAction.USER_PROVIDED;
             }

             if ("Watermark".equals(args.getOriginalUri())) {
                 InputStream imageStream = new FileInputStream(getImageDir() + "Transparent background logo.png");
                 args.setData(DocumentHelper.getBytesFromStream(imageStream));

                 return ResourceLoadingAction.USER_PROVIDED;
             }
         }

         return ResourceLoadingAction.DEFAULT;
     }
 }
 

Methods

Method	Description
getOriginalUri()	Original URI of the resource as specified in imported document.
getResourceType()	Type of resource.
getUri()	URI of the resource which is used for downloading if IResourceLoadingCallback.resourceLoading(com.aspose.words.ResourceLoadingArgs) returns ResourceLoadingAction.DEFAULT.
setData(byte[] data)	Sets user provided data of the resource which is used if IResourceLoadingCallback.resourceLoading(com.aspose.words.ResourceLoadingArgs) returns ResourceLoadingAction.USER_PROVIDED.
setUri(String value)	URI of the resource which is used for downloading if IResourceLoadingCallback.resourceLoading(com.aspose.words.ResourceLoadingArgs) returns ResourceLoadingAction.DEFAULT.

getOriginalUri()

public String getOriginalUri()

Original URI of the resource as specified in imported document.

Examples:

Shows how to customize the process of loading external resources into a document.

 public void resourceLoadingCallback() throws Exception {
     Document doc = new Document();
     doc.setResourceLoadingCallback(new ImageNameHandler());

     DocumentBuilder builder = new DocumentBuilder(doc);

     // Images usually are inserted using a URI, or a byte array.
     // Every instance of a resource load will call our callback's ResourceLoading method.
     builder.insertImage("Google logo");
     builder.insertImage("Aspose logo");
     builder.insertImage("Watermark");

     Assert.assertEquals(3, doc.getChildNodes(NodeType.SHAPE, true).getCount());

     doc.save(getArtifactsDir() + "DocumentBase.ResourceLoadingCallback.docx");
 }

 /// 
 /// Allows us to load images into a document using predefined shorthands, as opposed to URIs.
 /// This will separate image loading logic from the rest of the document construction.
 /// 
 private static class ImageNameHandler implements IResourceLoadingCallback {
     public int resourceLoading(final ResourceLoadingArgs args) throws URISyntaxException, IOException {
         if (args.getResourceType() == ResourceType.IMAGE) {
             // If this callback encounters one of the image shorthands while loading an image,
             // it will apply unique logic for each defined shorthand instead of treating it as a URI.
             if ("Google logo".equals(args.getOriginalUri())) {
                 args.setData(DocumentHelper.getBytesFromStream(new URI("http://www.google.com/images/logos/ps_logo2.png").toURL().openStream()));

                 return ResourceLoadingAction.USER_PROVIDED;
             }

             if ("Aspose logo".equals(args.getOriginalUri())) {
                 args.setData(DocumentHelper.getBytesFromStream(getAsposelogoUri().toURL().openStream()));

                 return ResourceLoadingAction.USER_PROVIDED;
             }

             if ("Watermark".equals(args.getOriginalUri())) {
                 InputStream imageStream = new FileInputStream(getImageDir() + "Transparent background logo.png");
                 args.setData(DocumentHelper.getBytesFromStream(imageStream));

                 return ResourceLoadingAction.USER_PROVIDED;
             }
         }

         return ResourceLoadingAction.DEFAULT;
     }
 }
 

Returns: java.lang.String - The corresponding java.lang.String value.

getResourceType()

public int getResourceType()

Type of resource.

Examples:

Shows how to customize the process of loading external resources into a document.

 public void resourceLoadingCallback() throws Exception {
     Document doc = new Document();
     doc.setResourceLoadingCallback(new ImageNameHandler());

     DocumentBuilder builder = new DocumentBuilder(doc);

     // Images usually are inserted using a URI, or a byte array.
     // Every instance of a resource load will call our callback's ResourceLoading method.
     builder.insertImage("Google logo");
     builder.insertImage("Aspose logo");
     builder.insertImage("Watermark");

     Assert.assertEquals(3, doc.getChildNodes(NodeType.SHAPE, true).getCount());

     doc.save(getArtifactsDir() + "DocumentBase.ResourceLoadingCallback.docx");
 }

 /// 
 /// Allows us to load images into a document using predefined shorthands, as opposed to URIs.
 /// This will separate image loading logic from the rest of the document construction.
 /// 
 private static class ImageNameHandler implements IResourceLoadingCallback {
     public int resourceLoading(final ResourceLoadingArgs args) throws URISyntaxException, IOException {
         if (args.getResourceType() == ResourceType.IMAGE) {
             // If this callback encounters one of the image shorthands while loading an image,
             // it will apply unique logic for each defined shorthand instead of treating it as a URI.
             if ("Google logo".equals(args.getOriginalUri())) {
                 args.setData(DocumentHelper.getBytesFromStream(new URI("http://www.google.com/images/logos/ps_logo2.png").toURL().openStream()));

                 return ResourceLoadingAction.USER_PROVIDED;
             }

             if ("Aspose logo".equals(args.getOriginalUri())) {
                 args.setData(DocumentHelper.getBytesFromStream(getAsposelogoUri().toURL().openStream()));

                 return ResourceLoadingAction.USER_PROVIDED;
             }

             if ("Watermark".equals(args.getOriginalUri())) {
                 InputStream imageStream = new FileInputStream(getImageDir() + "Transparent background logo.png");
                 args.setData(DocumentHelper.getBytesFromStream(imageStream));

                 return ResourceLoadingAction.USER_PROVIDED;
             }
         }

         return ResourceLoadingAction.DEFAULT;
     }
 }
 

Returns: int - The corresponding int value. The returned value is one of ResourceType constants.

getUri()

public String getUri()

URI of the resource which is used for downloading if IResourceLoadingCallback.resourceLoading(com.aspose.words.ResourceLoadingArgs) returns ResourceLoadingAction.DEFAULT.

Initially it’s set to absolute URI of the resource, but user can redefine it to any value.

Returns: java.lang.String - The corresponding java.lang.String value.

setData(byte[] data)

public void setData(byte[] data)

Sets user provided data of the resource which is used if IResourceLoadingCallback.resourceLoading(com.aspose.words.ResourceLoadingArgs) returns ResourceLoadingAction.USER_PROVIDED.

Examples:

Shows how to customize the process of loading external resources into a document.

 public void resourceLoadingCallback() throws Exception {
     Document doc = new Document();
     doc.setResourceLoadingCallback(new ImageNameHandler());

     DocumentBuilder builder = new DocumentBuilder(doc);

     // Images usually are inserted using a URI, or a byte array.
     // Every instance of a resource load will call our callback's ResourceLoading method.
     builder.insertImage("Google logo");
     builder.insertImage("Aspose logo");
     builder.insertImage("Watermark");

     Assert.assertEquals(3, doc.getChildNodes(NodeType.SHAPE, true).getCount());

     doc.save(getArtifactsDir() + "DocumentBase.ResourceLoadingCallback.docx");
 }

 /// 
 /// Allows us to load images into a document using predefined shorthands, as opposed to URIs.
 /// This will separate image loading logic from the rest of the document construction.
 /// 
 private static class ImageNameHandler implements IResourceLoadingCallback {
     public int resourceLoading(final ResourceLoadingArgs args) throws URISyntaxException, IOException {
         if (args.getResourceType() == ResourceType.IMAGE) {
             // If this callback encounters one of the image shorthands while loading an image,
             // it will apply unique logic for each defined shorthand instead of treating it as a URI.
             if ("Google logo".equals(args.getOriginalUri())) {
                 args.setData(DocumentHelper.getBytesFromStream(new URI("http://www.google.com/images/logos/ps_logo2.png").toURL().openStream()));

                 return ResourceLoadingAction.USER_PROVIDED;
             }

             if ("Aspose logo".equals(args.getOriginalUri())) {
                 args.setData(DocumentHelper.getBytesFromStream(getAsposelogoUri().toURL().openStream()));

                 return ResourceLoadingAction.USER_PROVIDED;
             }

             if ("Watermark".equals(args.getOriginalUri())) {
                 InputStream imageStream = new FileInputStream(getImageDir() + "Transparent background logo.png");
                 args.setData(DocumentHelper.getBytesFromStream(imageStream));

                 return ResourceLoadingAction.USER_PROVIDED;
             }
         }

         return ResourceLoadingAction.DEFAULT;
     }
 }
 

Parameters:

Parameter	Type	Description
data	byte[]

setUri(String value)

public void setUri(String value)

URI of the resource which is used for downloading if IResourceLoadingCallback.resourceLoading(com.aspose.words.ResourceLoadingArgs) returns ResourceLoadingAction.DEFAULT.

Initially it’s set to absolute URI of the resource, but user can redefine it to any value.

Parameters:

Parameter	Type	Description
value	java.lang.String	The corresponding java.lang.String value.