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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/sound/sampled/Line.java | |
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Diffstat (limited to 'libjava/classpath/javax/sound/sampled/Line.java')
-rw-r--r-- | libjava/classpath/javax/sound/sampled/Line.java | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/libjava/classpath/javax/sound/sampled/Line.java b/libjava/classpath/javax/sound/sampled/Line.java new file mode 100644 index 000000000..62d284bd8 --- /dev/null +++ b/libjava/classpath/javax/sound/sampled/Line.java @@ -0,0 +1,150 @@ +/* An input or output line + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.sound.sampled; + +/** + * A Line represents a single input or output audio line. + * @since 1.3 + */ +public interface Line +{ + /** + * An object of this type holds information about a Line. + * @since 1.3 + */ + class Info + { + private Class klass; + + /** + * Create a new Info object. The argument is the class of the line, + * for instance TargetDataLine.class. + * @param klass the class of the line + */ + public Info(Class<?> klass) + { + this.klass = klass; + } + + /** + * Return the line's class. + */ + public Class<?> getLineClass() + { + return klass; + } + + /** + * Return true if this Info object matches the given object. + * @param other the object to match + * @return true if they match, false otherwise + */ + public boolean matches(Info other) + { + return klass.equals(other.klass); + } + + /** + * Return a description of this Info object. + */ + public String toString() + { + return klass.toString(); + } + } + + /** + * Add a listener which will be notified whenever this Line changes state. + * @param listener the listener to notify + */ + void addLineListener(LineListener listener); + + /** + * Close this line. + */ + void close(); + + /** + * Return the control associated with this Line that matches the + * argument. + * @param what the type of the control to match + * @return the associated control + * @throws IllegalArgumentException if a control of this type is not + * available for this line + */ + Control getControl(Control.Type what); + + /** + * Return an array of controls associated with this Line. Note that + * this method will not return null -- if there are no controls, it + * will return a zero-length array. + */ + Control[] getControls(); + + /** + * Return the Info object associated with this Line. + */ + Info getLineInfo(); + + /** + * Return true if a Control matching the argument is available for this + * Line, false otherwise. + * @param what the type of the control to match + */ + boolean isControlSupported(Control.Type what); + + /** + * Return true if this line is open, false otherwise. + */ + boolean isOpen(); + + /** + * Open this line. + * @throws LineUnavailableException if the line is unavailable for some + * reason + */ + void open() throws LineUnavailableException; + + /** + * Remove the listener from this Line; after this call the listener will + * no longer be notified when this Line changes state. + * @param listener the listener to remove + */ + void removeLineListener(LineListener listener); +} |