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Added depth parameter to dump method

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This commit is contained in:
Ziver Koc 2016-04-26 14:25:29 +02:00
parent e28c84efb3
commit 581b76687f
2 changed files with 66 additions and 88 deletions
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37
src/zutil/Dumpable.java
View file

@ -1,37 +0,0 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil;
/**
* If an class implements this interface and runs it through
* MultiPrintStream.dump() then all the values in the object
* will be written out.
*
* @author Ziver
*
*/
public interface Dumpable {
}

91
src/zutil/io/MultiPrintStream.java Normal file → Executable file
View file

@ -24,11 +24,13 @@
package zutil.io;
import zutil.Dumpable;
import zutil.ClassUtil;
import java.io.*;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
@ -180,34 +182,32 @@ public class MultiPrintStream extends PrintStream {
}
/**
* Dumps the content of:
* <br>- Array content
* <br>- Map content (HashMap etc.)
* <br>- List content (ArrayList, LinkedList etc.)
* <br>- InputStream content (Prints out until the end of the stream)
* <br>- Reader content (Prints out until the end of the reader)
* <br>- Instance variables of a Object
* Same as {@link #dump(Object, int)} but prints to this OutputStream.
*
* @param o is the Object to dump
*/
public void dump(Object o){
println(dumpToString( o ));
println(dumpToString( o, 1));
}
/**
* Dumps the content of:
* <br>- Array content
* <br>- Map content (HashMap etc.)
* <br>- List content (ArrayList, LinkedList etc.)
* <br>- InputStream content (Prints out until the end of the stream)
* <br>- Reader content (Prints out until the end of the reader)
* <br>- Instance variables of a Object
* Same as {@link #dump(Object, int)} but prints to this OutputStream.
*
* @param o is the Object to dump
* @param depth sets the object dump depth, the object recursion depth
*/
public void dump(Object o, int depth){
println(dumpToString( o, depth));
}
/**
* Same as {@link #dump(Object, int)}
*
* @param o is the Object to dump
* @return a String with all the printed data
*/
public String dumpToString( Object o) {
return dumpToString(o, "");
public static String dumpToString(Object o) {
return dumpToString(o, 1);
}
/**
@ -218,13 +218,24 @@ public class MultiPrintStream extends PrintStream {
* <br>- InputStream content (Prints out until the end of the stream)
* <br>- Reader content (Prints out until the end of the reader)
* <br>- Instance variables of a Object
*
* @param o is the Object to dump
* @param depth sets the object dump depth, the object recursion depth
*/
public static String dumpToString(Object o, int depth) {
return dumpToString(o, "", depth);
}
/**
* See {@link #dumpToString(Object)}
*
* @param o is the Object to dump
* @param head is the string that will be put in front of every line
* @param depth sets the object dump depth, the object recursion depth
* @return A String with all the printed data
*/
private String dumpToString( Object o , String head) {
private static String dumpToString(Object o , String head, int depth) {
if(o == null)
return "NULL";
StringBuffer buffer = new StringBuffer();
@ -238,7 +249,8 @@ public class MultiPrintStream extends PrintStream {
Object value = Array.get(o,i);
buffer.append("\n");
buffer.append(nextHead);
buffer.append( (dumbCapable(value) ? dumpToString(value, nextHead) : value) );
buffer.append( (dumbCapable(value, depth-1) ?
dumpToString(value, nextHead, depth-1) : value) );
if ( i+1<Array.getLength(o) )
buffer.append( "," );
}
@ -249,18 +261,19 @@ public class MultiPrintStream extends PrintStream {
// Prints out a list
else if(o instanceof Collection){
Iterator<?> it = ((Collection<?>)o).iterator();
buffer.append( "{" );
buffer.append( "[" );
while(it.hasNext()){
Object value = it.next();
buffer.append("\n");
buffer.append(nextHead);
buffer.append( (dumbCapable(value) ? dumpToString(value, nextHead) : value) );
buffer.append( (dumbCapable(value, depth-1) ?
dumpToString(value, nextHead, depth-1) : value) );
if(it.hasNext())
buffer.append( "," );
}
buffer.append( "\n" );
buffer.append(head);
buffer.append( "}" );
buffer.append( "]" );
}
// Prints out a Map
else if(o instanceof Map){
@ -273,7 +286,8 @@ public class MultiPrintStream extends PrintStream {
buffer.append(nextHead);
buffer.append( key );
buffer.append( "=>" );
buffer.append( (dumbCapable(value) ? dumpToString(value, nextHead) : value) );
buffer.append( (dumbCapable(value, depth-1) ?
dumpToString(value, nextHead, depth-1) : value) );
if(it.hasNext())
buffer.append( "," );
}
@ -293,7 +307,7 @@ public class MultiPrintStream extends PrintStream {
}
in.close();
} catch (IOException e) {
e.printStackTrace(this);
e.printStackTrace();
}
buffer.append( "\n" );
buffer.append(head);
@ -311,7 +325,7 @@ public class MultiPrintStream extends PrintStream {
}
in.close();
} catch (IOException e) {
e.printStackTrace(this);
e.printStackTrace();
}
buffer.append( "\n" );
buffer.append(head);
@ -323,17 +337,20 @@ public class MultiPrintStream extends PrintStream {
while ( oClass != null ) {
Field[] fields = oClass.getDeclaredFields();
for ( int i=0; i<fields.length; i++ ) {
if (Modifier.isFinal(fields[i].getModifiers())) // Skip constants
continue;
fields[i].setAccessible( true );
buffer.append("\n");
buffer.append(nextHead);
buffer.append( fields[i].getType().getSimpleName() );
buffer.append( " " );
//buffer.append( fields[i].getType().getSimpleName() );
//buffer.append( " " );
buffer.append( fields[i].getName() );
buffer.append( " = " );
try {
Object value = fields[i].get(o);
if (value != null) {
buffer.append( (dumbCapable(value) ? dumpToString(value, nextHead) : value) );
buffer.append( (dumbCapable(value, depth-1) ?
dumpToString(value, nextHead, depth-1) : value) );
}
} catch ( IllegalAccessException e ) {}
if ( i+1<fields.length )
@ -352,15 +369,13 @@ public class MultiPrintStream extends PrintStream {
/**
* An helper function for the dump function.
*/
private boolean dumbCapable(Object o){
if(o != null){
if(o.getClass().isArray()) return true;
else if(o instanceof Collection)return true;
else if(o instanceof Map)return true;
else if(o instanceof InputStream)return true;
else if(o instanceof Reader)return true;
else if(o instanceof Dumpable)return true;
}
private static boolean dumbCapable(Object o, int depth){
if (depth <= 0)
return false;
if (o == null)
return false;
if (ClassUtil.isPrimitive(o.getClass()) || ClassUtil.isWrapper(o.getClass()))
return false;
return true;
}
}