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package api;
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jtulach@65
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import java.io.IOException;
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/** Fixing the problem caused by mixing subclassing and delegation in
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jtulach@65
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* the <code>java.io.BufferedWriter</code>
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*
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* @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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*/
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jtulach@68
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// BEGIN: writer.final.1.0
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public final class Writer {
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private final Impl impl;
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private Writer(Impl impl) {
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this.impl = impl;
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}
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public final void write(int c) throws IOException {
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char[] arr = { (char)c };
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impl.write(arr, 0, 1);
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}
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public final void write(char cbuf[]) throws IOException {
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impl.write(cbuf, 0, cbuf.length);
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}
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public final void write(char cbuf[], int off, int len)
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throws IOException {
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impl.write(cbuf, off, len);
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}
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public final void write(String str) throws IOException {
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impl.write(str, 0, str.length());
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}
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public final void write(String str, int off, int len)
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throws IOException {
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impl.write(str, off, len);
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}
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public final void flush() throws IOException {
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impl.flush();
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}
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public final void close() throws IOException {
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impl.close();
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}
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public static Writer create(Impl impl) {
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return new Writer(impl);
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}
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public static Writer create(final java.io.Writer w) {
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return new Writer(new Impl() {
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public void write(String str, int off, int len)
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throws IOException {
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w.write(str, off, len);
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}
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public void write(char[] arr, int off, int len)
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throws IOException {
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w.write(arr, off, len);
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}
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public void close() throws IOException {
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w.close();
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}
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public void flush() throws IOException {
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w.flush();
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}
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});
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}
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public static Writer createBuffered(final Writer out) {
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return create(new SimpleBuffer(out));
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}
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public static interface Impl {
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public void close() throws IOException;
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public void flush() throws IOException;
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public void write(String s, int off, int len) throws IOException;
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public void write(char[] a, int off, int len) throws IOException;
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}
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}
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// END: writer.final.1.0
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