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In the case where a stream is obtained directly, using openInputStream() or openOutputStream(), the connection close() is called immediately after the stream is obtained. However, the actual connection remains open until all the streams are closed as well. This is handled internally by the Connection, using a counter to track the number of opens and closes performed. When open() is called, the counter is incremented. When close() is called the counter is decremented. When the number of closes returns to zero, the connection is actually closed. This is why invoking close() on the Connection can take place without affecting the streams and still allow the connection resources to be cleaned up properly.

Font family names are very useful when you want to switch between styles. Instead of using the full font name as the first parameter for instance, Garamond-Italic you could use the family name with an extra parameter for the style:

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The Connector is a factory The concept employed by Connector for creating connection protocol instances is often referred to as a factory. A factory is a class that has the sole purpose of creating and possibly configuring a set of classes supporting a common interface. Factories provide the ability to return different implementations of an interface while hiding these details from the application code. The actual implementation returned depends on what parameters are passed into the static method (an open method in this case) and possibly the state of the system. The factory then deciphers the parameters and system state and determines which class to create. The object created must implement the interface specified by the static method s return type (Connection, in this case). However, the interface does not need to be directly supported. For example DatagramConnection subclasses Connection and is therefore a Connection as well. Factories provide a level of indirection or decoupling that allows the implementation of the interface to vary somewhat independently of the class using the interface. Put more simply, the class using Connector does not need to know about the actual (concrete) class that is created. This example of loose coupling is an extremely important aspect of the Generic Connection Framework because it provides flexibility and extendibility. How the Connector finds the correct class When the URI (name) is passed to the Connector.open() method, the Connector parses the URI into its various parts <scheme>:<address>;<parameters>. The key piece of information that the Connector is looking for at this point is the scheme. It is the scheme, in combination with other information such as the root package name and a platform identifier that allows the Connector to

Font garamondItalic = FontFactory.getFont( "Garamond", BaseFont.WINANSI, BaseFont.EMBEDDED, 12, Font.ITALIC); document.add(new Paragraph("Garamond-Italic", garamondItalic));

Normally, the font factory would look for a font named Garamond and find the font gara.ttf. But if you pass an extra parameter saying you want an italic font, iText will search for an italic font in the Garamond family. You ve registered all the system fonts, so if garait.ttf is present on your system, the font factory will return Garamond-Italic.

determine the appropriate Connection implementation to create. Once this information is determined, a fully qualified class name is concatenated. The root package and platform information are system properties identified by microedition.protocolpath and microedition.platform, respectively. The values of these properties are obtained using the System class.

NOTE If you look inside iText, you ll see that FontFactory delegates most of the work to the FontFactoryImp class. This class implements the FontProvider interface, which is the interface you implemented when you converted HTML to PDF in chapter 9. The mechanism to switch between styles within the same font family is used frequently by HTMLWorker when the font family is defined with the font tag and the style with em, i, strong, or b tags.

Use the boxes in the Paper source section to specify the printer s paper tray(s) for the first page of the business plan and for the subsequent pages. In the Preview section, opt to apply the changes to the whole document. Click the Print Options button to review the settings, as shown in Figure 2-12. Deselect Draft output if it has been selected. Select Update fields. This tells Word to check that the fields are current when the document prints. Similarly, select Update links. You should also select Drawing objects. Once you have made your selections, click OK. On the Layout tab, check the document s vertical alignment, as shown in Figure 2-13. You want the text aligned to the top of the page, so select Top in the drop-down box. Once again, opt to apply the changes to the whole document. Click OK.

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