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comparison src/luan/modules/Utils.java @ 1389:eb8b35dccd99

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cleanup and stringify change
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 03 Sep 2019 22:54:31 -0600
parents 836e00bf7ce2
children 002152af497a
comparison
equal deleted inserted replaced
1388:2024d23ddd64 1389:eb8b35dccd99
7 import java.io.OutputStream; 7 import java.io.OutputStream;
8 import java.io.File; 8 import java.io.File;
9 import java.io.InputStreamReader; 9 import java.io.InputStreamReader;
10 import java.net.URL; 10 import java.net.URL;
11 import java.net.MalformedURLException; 11 import java.net.MalformedURLException;
12 import java.util.Map;
13 import luan.Luan;
12 import luan.LuanException; 14 import luan.LuanException;
13 import luan.LuanTable; 15 import luan.LuanTable;
14 import luan.LuanFunction; 16 import luan.LuanFunction;
15 17
16 18
92 ByteArrayOutputStream out = new ByteArrayOutputStream(); 94 ByteArrayOutputStream out = new ByteArrayOutputStream();
93 copyAll(in,out); 95 copyAll(in,out);
94 return out.toByteArray(); 96 return out.toByteArray();
95 } 97 }
96 98
99
100 public static String removeString(Map map,String key) throws LuanException {
101 Object val = map.remove(key);
102 if( val!=null && !(val instanceof String) )
103 throw new LuanException( "parameter '"+key+"' must be a string but is a "+Luan.type(val) );
104 return (String)val;
105 }
106
107 public static Number removeNumber(Map map,String key) throws LuanException {
108 Object val = map.remove(key);
109 if( val!=null && !(val instanceof Number) )
110 throw new LuanException( "parameter '"+key+"' must be a string but is a "+Luan.type(val) );
111 return (Number)val;
112 }
113
114 public static Integer removeInt(Map map,String key) throws LuanException {
115 Object val = map.remove(key);
116 if( val==null )
117 return null;
118 Integer i = Luan.asInteger(val);
119 if( i==null ) {
120 String type = val instanceof Number ? val.getClass().getSimpleName().toLowerCase() : Luan.type(val);
121 throw new LuanException( "parameter '"+key+"' must be an integer but is a "+type );
122 }
123 return i;
124 }
125
126 public static LuanTable removeTable(Map map,String key) throws LuanException {
127 Object val = map.remove(key);
128 if( val!=null && !(val instanceof LuanTable) )
129 throw new LuanException( "parameter '"+key+"' must be a table but is a "+Luan.type(val) );
130 return (LuanTable)val;
131 }
132
133 public static Boolean removeBoolean(Map map,String key) throws LuanException {
134 Object val = map.remove(key);
135 if( val!=null && !(val instanceof Boolean) )
136 throw new LuanException( "parameter '"+key+"' must be a string but is a "+Luan.type(val) );
137 return (Boolean)val;
138 }
139
140 public static void checkEmpty(Map map) throws LuanException {
141 if( !map.isEmpty() )
142 throw new LuanException( "unrecognized options: "+map );
143 }
144
97 } 145 }