52 lines
1.9 KiB
Java
52 lines
1.9 KiB
Java
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package javax.activation;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.UnsupportedFlavorException;
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import java.io.IOException;
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import java.io.OutputStream;
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class DataSourceDataContentHandler implements DataContentHandler {
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private DataSource ds = null;
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private DataFlavor[] transferFlavors = null;
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private DataContentHandler dch = null;
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public DataSourceDataContentHandler(DataContentHandler paramDataContentHandler, DataSource paramDataSource) {
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this.ds = paramDataSource;
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this.dch = paramDataContentHandler;
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}
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public DataFlavor[] getTransferDataFlavors() {
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if (this.transferFlavors == null)
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if (this.dch != null) {
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this.transferFlavors = this.dch.getTransferDataFlavors();
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} else {
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this.transferFlavors = new DataFlavor[1];
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this.transferFlavors[0] = new ActivationDataFlavor(this.ds.getContentType(), this.ds.getContentType());
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}
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return this.transferFlavors;
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}
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public Object getTransferData(DataFlavor paramDataFlavor, DataSource paramDataSource) throws UnsupportedFlavorException, IOException {
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if (this.dch != null)
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return this.dch.getTransferData(paramDataFlavor, paramDataSource);
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if (paramDataFlavor.equals(getTransferDataFlavors()[0]))
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return paramDataSource.getInputStream();
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throw new UnsupportedFlavorException(paramDataFlavor);
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}
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public Object getContent(DataSource paramDataSource) throws IOException {
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if (this.dch != null)
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return this.dch.getContent(paramDataSource);
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return paramDataSource.getInputStream();
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}
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public void writeTo(Object paramObject, String paramString, OutputStream paramOutputStream) throws IOException {
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if (this.dch != null) {
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this.dch.writeTo(paramObject, paramString, paramOutputStream);
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} else {
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throw new UnsupportedDataTypeException("no DCH for content type " + this.ds.getContentType());
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}
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}
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}
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