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#15 Add VImage to the list of VTypes
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Lines changed: 155 additions & 154 deletions

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  • epics-vtype/vtype/src/main/java/org/epics/vtype

‎epics-vtype/vtype/src/main/java/org/epics/vtype/VType.java‎

Lines changed: 155 additions & 154 deletions
Original file line numberDiff line numberDiff line change
@@ -1,154 +1,155 @@
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/**
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* Copyright (C) 2010-14 diirt developers. See COPYRIGHT.TXT
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* All rights reserved. Use is subject to license terms. See LICENSE.TXT
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*/
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package org.epics.vtype;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.List;
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import org.epics.util.array.CollectionNumbers;
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import org.epics.util.array.ListNumber;
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/**
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* Tag interface to mark all the members of the value classes.
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*
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* @author carcassi
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*/
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public abstract class VType {
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private static final Collection<Class<?>> TYPES = Arrays.<Class<?>>asList(
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VDouble.class,
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VFloat.class,
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VULong.class,
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VLong.class,
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VUInt.class,
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VInt.class,
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VUShort.class,
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VShort.class,
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VUByte.class,
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VByte.class,
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VEnum.class,
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VString.class,
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VDoubleArray.class,
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VFloatArray.class,
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VULongArray.class,
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VLongArray.class,
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VUIntArray.class,
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VIntArray.class,
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VUShortArray.class,
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VShortArray.class,
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VUByteArray.class,
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VByteArray.class);
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/**
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* Returns the type of the object by returning the class object of one
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* of the VXxx interfaces. The getClass() methods returns the
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* concrete implementation type, which is of little use. If no
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* super-interface is found, Object.class is used.
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*
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* @param obj an object implementing a standard type
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* @return the type is implementing
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*/
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public static Class<?> typeOf(Object obj) {
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if (obj == null)
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return null;
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for (Class<?> type : TYPES) {
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if (type.isInstance(obj)) {
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return type;
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}
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}
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return Object.class;
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}
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/**
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* Converts a standard java type to VTypes. Returns null if no conversion
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* is possible. Calls {@link #toVType(java.lang.Object, org.epics.vtype.Alarm, org.epics.vtype.Time, org.epics.vtype.Display) }
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* with no alarm, time now and no display.
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*
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* @param javaObject the value to wrap
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* @return the new VType value
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*/
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public static VType toVType(Object javaObject) {
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return toVType(javaObject, Alarm.none(), Time.now(), Display.none());
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}
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/**
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* Converts a standard java type to VTypes. Returns null if no conversion
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* is possible. Calls {@link #toVType(java.lang.Object, org.epics.vtype.Alarm, org.epics.vtype.Time, org.epics.vtype.Display) }
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* with the given alarm, time now and no display.
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*
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* @param javaObject the value to wrap
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* @param alarm the alarm
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* @return the new VType value
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*/
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public static VType toVType(Object javaObject, Alarm alarm) {
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return toVType(javaObject, alarm, Time.now(), Display.none());
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}
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/**
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* Converts a standard java type to VTypes. Returns null if no conversion
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* is possible.
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* <p>
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* Types are converted as follow:
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* <ul>
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* <li>Boolean -&gt; VBoolean</li>
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* <li>Number -&gt; corresponding VNumber</li>
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* <li>String -&gt; VString</li>
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* <li>number array -&gt; corresponding VNumberArray</li>
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* <li>ListNumber -&gt; corresponding VNumberArray</li>
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* <li>List -&gt; if all elements are String, VStringArray</li>
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* </ul>
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*
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* @param javaObject the value to wrap
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* @param alarm the alarm
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* @param time the time
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* @param display the display
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* @return the new VType value
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*/
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public static VType toVType(Object javaObject, Alarm alarm, Time time, Display display) {
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if (javaObject instanceof Number) {
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return VNumber.of((Number) javaObject, alarm, time, display);
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} else if (javaObject instanceof String) {
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return VString.of((String) javaObject, alarm, time);
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} else if (javaObject instanceof Boolean) {
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return null;//newVBoolean((Boolean) javaObject, alarm, time);
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} else if (javaObject instanceof byte[]
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|| javaObject instanceof short[]
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|| javaObject instanceof int[]
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|| javaObject instanceof long[]
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|| javaObject instanceof float[]
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|| javaObject instanceof double[]) {
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return VNumberArray.of(CollectionNumbers.toList(javaObject), alarm, time, display);
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} else if (javaObject instanceof ListNumber) {
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return VNumberArray.of((ListNumber) javaObject, alarm, time, display);
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} else if (javaObject instanceof String[]) {
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return null;//newVStringArray(Arrays.asList((String[]) javaObject), alarm, time);
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} else if (javaObject instanceof List) {
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boolean matches = true;
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List list = (List) javaObject;
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for (Object object : list) {
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if (!(object instanceof String)) {
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matches = false;
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}
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}
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if (matches) {
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@SuppressWarnings("unchecked")
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List<String> newList = (List<String>) list;
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return null;//newVStringArray(Collections.unmodifiableList(newList), alarm, time);
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} else {
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return null;
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}
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} else {
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return null;
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}
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}
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static void argumentNotNull(String argName, Object value) {
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if (value == null) {
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throw new NullPointerException(argName + " can't be null");
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}
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}
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}
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/**
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* Copyright (C) 2010-14 diirt developers. See COPYRIGHT.TXT
3+
* All rights reserved. Use is subject to license terms. See LICENSE.TXT
4+
*/
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package org.epics.vtype;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.List;
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import org.epics.util.array.CollectionNumbers;
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import org.epics.util.array.ListNumber;
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/**
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* Tag interface to mark all the members of the value classes.
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*
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* @author carcassi
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*/
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public abstract class VType {
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private static final Collection<Class<?>> TYPES = Arrays.<Class<?>>asList(
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VDouble.class,
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VFloat.class,
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VULong.class,
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VLong.class,
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VUInt.class,
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VInt.class,
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VUShort.class,
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VShort.class,
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VUByte.class,
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VByte.class,
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VEnum.class,
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VString.class,
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VDoubleArray.class,
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VFloatArray.class,
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VULongArray.class,
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VLongArray.class,
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VUIntArray.class,
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VIntArray.class,
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VUShortArray.class,
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VShortArray.class,
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VUByteArray.class,
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VByteArray.class,
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VImage.class);
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/**
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* Returns the type of the object by returning the class object of one
47+
* of the VXxx interfaces. The getClass() methods returns the
48+
* concrete implementation type, which is of little use. If no
49+
* super-interface is found, Object.class is used.
50+
*
51+
* @param obj an object implementing a standard type
52+
* @return the type is implementing
53+
*/
54+
public static Class<?> typeOf(Object obj) {
55+
if (obj == null)
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return null;
57+
58+
for (Class<?> type : TYPES) {
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if (type.isInstance(obj)) {
60+
return type;
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}
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}
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return Object.class;
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}
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/**
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* Converts a standard java type to VTypes. Returns null if no conversion
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* is possible. Calls {@link #toVType(java.lang.Object, org.epics.vtype.Alarm, org.epics.vtype.Time, org.epics.vtype.Display) }
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* with no alarm, time now and no display.
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*
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* @param javaObject the value to wrap
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* @return the new VType value
74+
*/
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public static VType toVType(Object javaObject) {
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return toVType(javaObject, Alarm.none(), Time.now(), Display.none());
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}
78+
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/**
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* Converts a standard java type to VTypes. Returns null if no conversion
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* is possible. Calls {@link #toVType(java.lang.Object, org.epics.vtype.Alarm, org.epics.vtype.Time, org.epics.vtype.Display) }
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* with the given alarm, time now and no display.
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*
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* @param javaObject the value to wrap
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* @param alarm the alarm
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* @return the new VType value
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*/
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public static VType toVType(Object javaObject, Alarm alarm) {
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return toVType(javaObject, alarm, Time.now(), Display.none());
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}
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/**
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* Converts a standard java type to VTypes. Returns null if no conversion
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* is possible.
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* <p>
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* Types are converted as follow:
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* <ul>
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* <li>Boolean -&gt; VBoolean</li>
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* <li>Number -&gt; corresponding VNumber</li>
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* <li>String -&gt; VString</li>
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* <li>number array -&gt; corresponding VNumberArray</li>
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* <li>ListNumber -&gt; corresponding VNumberArray</li>
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* <li>List -&gt; if all elements are String, VStringArray</li>
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* </ul>
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*
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* @param javaObject the value to wrap
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* @param alarm the alarm
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* @param time the time
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* @param display the display
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* @return the new VType value
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*/
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public static VType toVType(Object javaObject, Alarm alarm, Time time, Display display) {
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if (javaObject instanceof Number) {
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return VNumber.of((Number) javaObject, alarm, time, display);
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} else if (javaObject instanceof String) {
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return VString.of((String) javaObject, alarm, time);
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} else if (javaObject instanceof Boolean) {
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return null;//newVBoolean((Boolean) javaObject, alarm, time);
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} else if (javaObject instanceof byte[]
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|| javaObject instanceof short[]
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|| javaObject instanceof int[]
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|| javaObject instanceof long[]
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|| javaObject instanceof float[]
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|| javaObject instanceof double[]) {
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return VNumberArray.of(CollectionNumbers.toList(javaObject), alarm, time, display);
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} else if (javaObject instanceof ListNumber) {
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return VNumberArray.of((ListNumber) javaObject, alarm, time, display);
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} else if (javaObject instanceof String[]) {
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return null;//newVStringArray(Arrays.asList((String[]) javaObject), alarm, time);
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} else if (javaObject instanceof List) {
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boolean matches = true;
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List list = (List) javaObject;
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for (Object object : list) {
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if (!(object instanceof String)) {
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matches = false;
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}
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}
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if (matches) {
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@SuppressWarnings("unchecked")
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List<String> newList = (List<String>) list;
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return null;//newVStringArray(Collections.unmodifiableList(newList), alarm, time);
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} else {
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return null;
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}
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} else {
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return null;
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}
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}
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static void argumentNotNull(String argName, Object value) {
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if (value == null) {
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throw new NullPointerException(argName + " can't be null");
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}
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}
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}

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