diff options
author | Mark Wielaard <mark@klomp.org> | 2001-01-14 22:53:59 +0000 |
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committer | Mark Wielaard <mark@klomp.org> | 2001-01-14 22:53:59 +0000 |
commit | e34ca4e2e0f5f19ee81d3456d040658a4349ff9e (patch) | |
tree | 79fb8d3f4eab2c982eef9769322546e6969eae66 /java/awt/datatransfer | |
parent | cb8be2b611d086babf2f6f58c80b472930b38f41 (diff) | |
download | classpath-e34ca4e2e0f5f19ee81d3456d040658a4349ff9e.tar.gz |
Fix compile errors.
Diffstat (limited to 'java/awt/datatransfer')
-rw-r--r-- | java/awt/datatransfer/DataFlavor.java | 160 |
1 files changed, 105 insertions, 55 deletions
diff --git a/java/awt/datatransfer/DataFlavor.java b/java/awt/datatransfer/DataFlavor.java index 728af2bfa..7de6404b8 100644 --- a/java/awt/datatransfer/DataFlavor.java +++ b/java/awt/datatransfer/DataFlavor.java @@ -20,10 +20,12 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA. */ package java.awt.datatransfer; +import java.io.ByteArrayInputStream; import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.IOException; import java.io.ObjectOutput; import java.io.ObjectInput; -import java.io.IOException; import java.io.Reader; import java.io.StringReader; import java.io.UnsupportedEncodingException; @@ -91,22 +93,21 @@ public static final String javaRemoteObjectMimeType = static { - plainTextFlavor = new DataFlavor(); - plainTextFlavor.representationClass = java.io.InputStream.class; - plainTextFlavor.mimeType = "text/plain; charset=unicode"; - plainTextFlavor.humanPresentableName = "plain unicode text"; - - stringFlavor = new DataFlavor(); - stringFlavor.representationClass = java.lang.String.class; - stringFlavor.mimeType = javaSerializedObjectMIMEType - + "; class=java.lang.String"; - stringFlavor.humanPresentableName = "Java Unicode String"; - - javaFileListFlavor = new DataFlavor(); - javaFileListFlavor.representationClass = java.util.List.class; - javaFileListFlavor.mimeType = javaSerializedObjectMIMEType - + "; class=java.util.list"; + plainTextFlavor + = new DataFlavor(java.io.InputStream.class, + "text/plain; charset=unicode", + "plain unicode text"); + + stringFlavor + = new DataFlavor(java.lang.String.class, + "Java Unicode String"); + + javaFileListFlavor + = new DataFlavor(java.util.List.class, + "Java File List"); + // javaFileListFlavor.mimeType = "application/x-java-file-list"; +} /*************************************************************************/ @@ -192,6 +193,27 @@ tryToLoadClass(String className, ClassLoader classLoader) public DataFlavor() { + mimeType = null; + representationClass = null; + humanPresentableName = null; +} + +/*************************************************************************/ + +/** + * Private constructor. + */ +private +DataFlavor(Class representationClass, + String mimeType, + String humanPresentableName) +{ + this.representationClass = representationClass; + this.mimeType = mimeType; + if (humanPresentableName != null) + this.humanPresentableName = humanPresentableName; + else + this.humanPresentableName = mimeType; } /*************************************************************************/ @@ -209,13 +231,11 @@ DataFlavor() public DataFlavor(Class representationClass, String humanPresentableName) { - this.representationClass = representationClass; - this.humanPresentableName = humanPresentableName; - mimeType = "application/x-java-serialized-object" - + "; class=" - + representationClass.getName(); - if (this.humanPresentableName == null) - this.humanPresentableName = mimeType; + this(representationClass, + "application/x-java-serialized-object" + + "; class=" + + representationClass.getName(), + humanPresentableName); } /*************************************************************************/ @@ -241,26 +261,29 @@ public DataFlavor(String mimeType, String humanPresentableName, ClassLoader classLoader) throws ClassNotFoundException { - this.mimeType = mimeType; - if (humanPresentableName != null) - this.humanPresentableName = humanPresentableName; - else - this.humanPresentableName = mimeType; + this(getRepresentationClassFromMime(mimeType, classLoader), + mimeType, humanPresentableName); +} - String classname = getParameter("class"); - if (className == null) - representationClass = java.io.InputStream.class; - else +private static Class +getRepresentationClassFromMime(String mimeString, ClassLoader classLoader) +{ + String classname = getParameter("class", mimeString); + if (classname != null) { try { - representationClass = tryToLoadClass(classname, classLoader); + return tryToLoadClass(classname, classLoader); } catch(Exception e) { throw new IllegalArgumentException("classname: " + e.getMessage()); } } + else + { + return java.io.InputStream.class; + } } /*************************************************************************/ @@ -394,20 +417,22 @@ getSubType() /** * Returns the value of the named MIME type parameter, or <code>null</code> - * if the parameter does not exist. + * if the parameter does not exist. Given the parameter name and the mime + * string. * - * @param paramName The name of the paramter. + * @param paramName The name of the parameter. + * @param mimeString The mime string from where the name should be found. * - * @return The value of the parameter. + * @return The value of the parameter or null. */ -public String -getParameter(String paramName) +private static String +getParameter(String paramName, String mimeString) { - int idx = mimeType.indexOf(paramName + "="); + int idx = mimeString.indexOf(paramName + "="); if (idx == -1) return(null); - String value = mimeType.substring(idx + paramName.length() + 2); + String value = mimeString.substring(idx + paramName.length() + 2); idx = value.indexOf(" "); if (idx == -1) @@ -417,6 +442,21 @@ getParameter(String paramName) } /*************************************************************************/ +/** + * Returns the value of the named MIME type parameter, or <code>null</code> + * if the parameter does not exist. + * + * @param paramName The name of the paramter. + * + * @return The value of the parameter. + */ +public String +getParameter(String paramName) +{ + return getParameter(paramName, mimeType); +} + +/*************************************************************************/ /** * Sets the human presentable name to the specified value. @@ -800,6 +840,8 @@ getTextPlainUnicodeFlavor() /** * XXX - Currently returns <code>java.io.InputStream</code>. + * + * @since 1.3 */ public static final Class getDefaultRepresentationClass() @@ -814,7 +856,7 @@ getDefaultRepresentationClass() public static final String getDefaultRepresentationClassAsString() { - return(getDefaultRepresentationClass.getName()); + return(getDefaultRepresentationClass().getName()); } /*************************************************************************/ @@ -836,9 +878,17 @@ selectBestTextFlavor(DataFlavor[] availableFlavors) { DataFlavor df = availableFlavors[i]; Class c = df.representationClass; - if ((c instanceof Reader) || (c instanceof String)) - return df; - if ((c instanceof InputStream) && ("text".equals(df.getPrimaryType())) + + // A Reader or String is good. + if ((Reader.class.isAssignableFrom(c)) + || (String.class.isAssignableFrom(c))) + { + return df; + } + + // A InputStream is good if the mime primary type is "text" + if ((InputStream.class.isAssignableFrom(c)) + && ("text".equals(df.getPrimaryType()))) { String encoding = availableFlavors[i].getParameter("charset"); if (encoding == null) @@ -848,9 +898,9 @@ selectBestTextFlavor(DataFlavor[] availableFlavors) { // Try to construct a dummy reader with the found encoding r = new InputStreamReader - (new ByteArrayInputStream(new byte[0]), encoding)); + (new ByteArrayInputStream(new byte[0]), encoding); } - catch(UnsupportedEncodingException) { /* ignore */ } + catch(UnsupportedEncodingException uee) { /* ignore */ } if (r != null) return df; } @@ -888,26 +938,26 @@ getReaderForText(Transferable transferable) throws UnsupportedFlavorException, IOException, UnsupportedEncodingException { - if (!transferable.isDataFlavorSupported(this) - throw UnsupportedFlavorException(this); + if (!transferable.isDataFlavorSupported(this)) + throw new UnsupportedFlavorException(this); - if (representationClass instanceof Reader) + if (Reader.class.isAssignableFrom(representationClass)) return((Reader)transferable.getTransferData(this)); - if (representationClass instanceof String) - return(StringReader((String)transferable.getTransferData(this))); + if (String.class.isAssignableFrom(representationClass)) + return(new StringReader((String)transferable.getTransferData(this))); - if ((representationClass instanceof InputStream) - && "text".equals(getPrimaryType()) + if (InputStream.class.isAssignableFrom(representationClass) + && "text".equals(getPrimaryType())) { InputStream in = (InputStream)transferable.getTransferData(this); String encoding = getParameter("charset"); if (encoding == null) encoding = "us-ascii"; - return(InputStreamReader(in, encoding)); + return(new InputStreamReader(in, encoding)); } - throw UnsupportedFlavorException(this); + throw new UnsupportedFlavorException(this); } } // class DataFlavor |