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Object Automation Web library
/* Copyright 1999 Vince Via [email protected]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package com.viaoa.jsp;
import java.awt.Color;
import java.util.*;
import com.viaoa.hub.*;
import com.viaoa.object.OAObject;
import com.viaoa.object.OAObjectCacheDelegate;
import com.viaoa.object.OAObjectInfo;
import com.viaoa.object.OAObjectReflectDelegate;
import com.viaoa.util.*;
/**
* Utility class used by JSP components.
* @author vvia
*
*/
public class JspUtil {
public final static String idPrefix = "OAJsp";
/** given a componentName and an Object, a new name is returned with the object Id encoded */
public static String getEncodedName(String compName, Hub hub, Object obj) {
// OAid4_name_2_id
String id = getObjectIdAsString(hub, obj);
if (id == null) return null;
return idPrefix + compName.length() + "_" + compName + "_" + id.length() + "_" + id;
}
public static String getEncodedName(String compName, Hub hub, Object obj, Hub hub2, Object obj2) {
// OAid4_name_3_idA_3_idB
String id = getObjectIdAsString(hub,obj);
if (id == null) return null;
String name = idPrefix + compName.length() + "_" + compName + "_" + id.length() + "_" + id;
id = getObjectIdAsString(hub2,obj2);
name += "_" + id.length() + "_" + id;
return name;
}
public static boolean isEncodedName(String nameUsed) {
// OAid4_name_2_id
return nameUsed.startsWith(idPrefix);
}
/** get the component name from an encoded name. Used by OAForm.processRequest() to get component name. */
public static String getDecodedComponentName(String nameUsed) {
// OAid4_name_2_id
if (!nameUsed.startsWith(idPrefix)) return nameUsed;
try {
String s = OAString.field(nameUsed,'_',1); // = "OAid4"
int len = Integer.parseInt(s.substring(idPrefix.length())); // = 4
int start = s.length() + 1; // = 6
nameUsed = nameUsed.substring(start, start + len); // = "name"
}
catch (NumberFormatException e) {
}
return nameUsed;
}
/** get the id from an Id encoded name
@param nameUsed created by getEncodedName()
@return object or null if encoding was not done on nameUsed
*/
public static Object getDecodedObject(String nameUsed, Hub hub) {
return getDecodedObject(nameUsed, hub, 0);
}
public static Object getDecodedObject(String nameUsed, Hub hub, int cnt) {
// OAid4_name_2_id_3_idb
if (hub == null || !nameUsed.startsWith(idPrefix)) return null;
String id = null;
try {
String s = OAString.field(nameUsed,'_',1); // = "OAid4"
int len = Integer.parseInt(s.substring(idPrefix.length())); // = 4
// skip comp name
int start = s.length() + 1 + len + 1; // = 10
nameUsed = nameUsed.substring(start); // "2_id_3_idb"
for (int i=0; i<=cnt && nameUsed.length() > 0; i++) {
id = null;
s = OAString.field(nameUsed,'_',1); // "2"
len = Integer.parseInt(s); // = 2
start = s.length() + 1;
id = nameUsed.substring(start, start+len);
if (i == cnt) break;
if ((start + len + 1) < nameUsed.length()) nameUsed = nameUsed.substring(start + len + 1);
else nameUsed = "";
}
}
catch (NumberFormatException e) {
}
if (id == null) return null;
if (id.equals(idPrefix+"NULL")) return null;
return getObject(hub, id);
}
//qqqqqqqqqq Use ObjectKey for this
/** returns the Objects first propertyId as a string */
public static String getObjectIdAsString(Hub hub, Object obj) {
if (obj == null) return idPrefix+"NULL";
if ( !(obj instanceof OAObject) ) {
return idPrefix+hub.getPos(obj);
}
if ( ((OAObject)obj).isNew()) {
if (hub == null) return null;
return idPrefix+hub.getPos(obj);
}
OAObjectInfo oi = Hub.getOAObjectInfo(obj.getClass());
String[] ids = oi.getIdProperties();
if (ids.length == 0) return null;
try {
Object object = OAObjectReflectDelegate.getProperty((OAObject)obj, ids[0]);
return OAConverter.toString(object);
}
catch (Exception e) {
throw new RuntimeException("Util.getObjectId() "+e);
}
}
/** using a string that was created by "getObjectIdAsString()", try to find
object in hub */
public static Object getObject(Hub hub, String strId) {
if (hub == null || strId == null) return null;
if (strId.equals(idPrefix+"NULL")) return null;
Class c = hub.getObjectClass();
if (c == null) return null;
if (strId.startsWith(idPrefix)) {
int len = Integer.parseInt(strId.substring(idPrefix.length()));
return hub.elementAt(len);
}
if (!hub.isOAObject()) return strId;
/*
OAObjectInfo oi = Hub.getOAObjectInfo(c);
String[] ids = oi.getIdProperties();
Method[] methods = new Method[ids.length];
for (int i=0; i= 0) {
if (amt == -1) break;
if (i == beg + amt) {
endPos = pos;
break;
}
}
pos += sep.length();
}
if (beginPos < 0) return null;
if (beginPos >= endPos) return "";
return str.substring(beginPos, endPos);
}
/* replaced with OAHtmlUtil
public static String toExcapeString(String value) {
return htmlEscape(value);
}
/ ** converts null to "" and other html conversions for <, > & " ' * /
public static String htmlEscape(String value) {
if (value == null) return "";
value = convert(value, '&', "&");
value = convert(value, '"', """); // "
value = convert(value, '\'', "'"); // ' not yet supported
value = convert(value, '<', "<");
value = convert(value, '>', ">");
return value;
}
public static String smartEscapeHtml(String text) {
if (text == null || text.length() == 0) return text;
int cnt1 = 0;
int cnt2 = 0;
int x = text.length();
for (int i=0; i') cnt2++;
}
if (cnt1 > 0 && cnt1 == cnt2) return text; /// assuming it's ok
return htmlEscape(text);
}
*/
public static String convert(String value, char c, String replace) {
return convert(value, c+"", replace);
}
public static String convertIgnoreCase(String line, String search, String replace) {
return convert(line,search,replace,true);
}
public static String convert(String line, String search, String replace) {
return convert(line,search,replace,false);
}
public static String convert(String line, String search, String replace, boolean bIgnoreCase) {
if (line == null || replace == null || search == null || search.length() == 0) return line;
int xs = search.length();
if (xs == 0) return line;
if (bIgnoreCase) search = search.toLowerCase();
int xr = replace.length();
int xl = line.length();
StringBuffer sb = null; // dont allocate until first match is found
char c=0, origChar=0;
for (int i=0,j=0; ;i++) {
if (i < xl) {
origChar = c = line.charAt(i);
if (bIgnoreCase) c = Character.toLowerCase(c);
if (c == search.charAt(j)) {
j++;
if (j == xs) {
if (sb == null) {
sb = new StringBuffer(xl + (xl/10));
int e = (i - j) + 1;
if (e > 0) sb.append(line.substring(0,e));
}
if (xr > 0) sb.append(replace);
j = 0;
}
continue;
}
}
if (j > 0) {
if (sb != null) {
// go back to previously matched chars
int b = i-j;
/*
i: 0123456789
VinceViNce
j: 12
*/
sb.append(line.substring(b,b+j));
}
j = 0;
}
if (i >= xl) break;
if (sb != null) sb.append(origChar);
}
if (sb == null) return line;
return new String(sb);
}
public static String hiliteIgnoreCase(String line, String search, String beginTag, String endTag) {
return hilite(line,search,beginTag, endTag,true);
}
public static String hilite(String line, String search, String beginTag, String endTag) {
return hilite(line,search,beginTag, endTag,false);
}
public static String hilite(String line, String search, String beginTag, String endTag, boolean bIgnoreCase) {
if (line == null || search == null) return line;
int xs = search.length();
if (xs == 0) return line;
if (bIgnoreCase) search = search.toLowerCase();
int xl = line.length();
StringBuffer sb = null; // dont allocate until first match is found
char c=0, origChar=0;
for (int i=0,j=0; ;i++) {
if (i < xl) {
origChar = c = line.charAt(i);
if (bIgnoreCase) c = Character.toLowerCase(c);
if (c == search.charAt(j)) {
j++;
if (j == xs) {
if (sb == null) {
sb = new StringBuffer(xl + (xl/10));
int e = (i - j) + 1;
if (e > 0) sb.append(line.substring(0,e));
}
sb.append(beginTag);
/*
Search="Vi"
i=6
i: 0123456789
VinceViNce
j: 12
*/
int b = (i-j)+1;
sb.append(line.substring(b,b+j));
sb.append(endTag);
j = 0;
}
continue;
}
}
if (j > 0) {
if (sb != null) {
// go back to previously matched chars
int b = i-j;
/*
Search="Vix"
i=7
i: 0123456789
VinceViNce
j: 12
*/
sb.append(line.substring(b,b+j));
}
j = 0;
}
if (i >= xl) break;
if (sb != null) sb.append(origChar);
}
if (sb == null) return line;
return new String(sb);
}
/* * 20171017 removed, replaced with OAJsUtil.java OAHtmlUtil.java
public static String toString(OAObject obj, String prop, int value) {
return toString(obj,prop,new Integer(value));
}
public static String toString(OAObject obj, String prop, float value) {
return toString(obj,prop,new Double(value));
}
public static String toString(OAObject obj, String prop, double value) {
return toString(obj,prop,new Double(value));
}
public static String toString(OAObject obj, String prop, Object value) {
if (value == null) return "";
if (obj != null && prop != null && obj.isNull(prop)) return "";
return smartEscapeHtml(OAConverter.toString(value));
}
public static String toString(Object value) {
if (value == null) return "";
return smartEscapeHtml(OAConverter.toString(value));
}
*/
public static String convertForFreeText(String keyword) {
if (keyword == null) return "";
String s;
// parse keyword: a '**' needs to be converted to FORMSOF(...)
String newKeyword = "";
keyword = keyword.trim();
char quoteChar = 0;
boolean convertFlag = true, andFlag=false;
String sep = "(), \"&";
StringTokenizer st = new StringTokenizer(keyword, sep, true);
String hold="";
while (st.hasMoreTokens()) {
s = st.nextToken();
if (quoteChar != 0) { // in quotes
hold += s;
if (s.charAt(0) == quoteChar) {
s = hold;
quoteChar = 0;
}
else continue;
}
if (s.equals("\"")) {
if (quoteChar == 0) {
quoteChar = s.charAt(0);
hold = s;
continue;
}
}
else if (s.equals("&")) {
s = "AND";
}
else if (s.indexOf("**") >= 0) {
s = s.substring(0,s.indexOf("**"));
s = "FORMSOF(INFLECTIONAL,\""+s+"\")";
}
if (s.equalsIgnoreCase("and") || s.equalsIgnoreCase("or") || s.equalsIgnoreCase("not") || s.equalsIgnoreCase("near")) {
andFlag = false;
convertFlag = false; // user is using keywords already, we wont need to convert them
}
if (s.indexOf('\'') > 0 || s.indexOf('*') > 0) {
s = OAString.convert(s,"'","''");
if (s.indexOf('\"') < 0) s = '"' + s + '"';
}
if (andFlag) {
newKeyword += "AND ";
andFlag = false;
}
newKeyword += s;
//System.out.println("'"+s+ "' -> '"+newKeyword+"'");//qqqqqqqqqq
if (convertFlag && (s.equals(" ") || s.equals(",")) && !s.equals("(") ) {
// need to add "AND" if the next word is not AND
andFlag = true;
}
}
//System.out.println("returning -> '"+newKeyword+"'");//qqqqqqqqqq
return newKeyword;
}
public static String formatWidth(String msg, int width) {
// try to break a long text into width of size "width"
// remove ending spaces
// convert tabs to 4 spaces
if (msg == null) msg = "";
// first find how many leading spaces are in all
StringTokenizer st = new StringTokenizer(msg, "\n\r", false);
int leadingSpaceCount = 99; // remove all leading spaces that are same for all lines
while (st.hasMoreTokens()) {
String line = st.nextToken();
int x = line.length();
if (x == 0) continue;
int i=0, j=0;
for ( ; i 0;
boolean bLf = msg.indexOf('\n') > 0;
if (!bCr && !bLf) bLf = true;
st = new StringTokenizer(msg, "\n\r", true); // need to return seperators since there could be blank lines
StringBuffer sb = new StringBuffer(msg.length() + 64);
boolean flag = false;
while (st.hasMoreTokens()) {
String line = st.nextToken();
char c = line.charAt(0);
if (c == '\n' && bCr) continue; // ignore new line char
if (c == '\r' || c == '\n') {
if (!flag) {
flag = true; // if next token is CR then enter a blank line
continue;
}
line = " "; // print blank line
}
flag = false;
int startPos = 0;
int x = line.length();
// remove trailing '\t' and ' '
int i = x;
for ( ; i > 0; i--) {
c = line.charAt(i-1);
if (c != ' ' && c != '\t') break;
}
if (i != x) line = line.substring(0, i);
x = line.length();
if (x > leadingSpaceCount) startPos = leadingSpaceCount;
// fun time: break up into chunks of size "width", breaking on spaces
StringTokenizer st2 = new StringTokenizer(line, " \t", true);
int skip = 0;
StringBuffer sb2 = new StringBuffer(line.length() + 32);
while (st2.hasMoreTokens()) {
String word = st2.nextToken();
int wordLen = word.length();
if (word.charAt(0) == '\t') wordLen += 3;
if ( (sb2.length() + wordLen > width) && sb2.length() > 0) {
sb.append(sb2);
sb2.setLength(0);
if (bCr) sb.append('\r');
if (bLf) sb.append('\n');
skip = 0;
if (word.charAt(0) == '\t' || word.charAt(0) == ' ') continue; // dont start line with tab or spaces
}
if (word.charAt(0) == '\t') word = " ";
if (skip < leadingSpaceCount) {
if (skip + word.length() > leadingSpaceCount) {
word = word.substring(leadingSpaceCount - skip);
skip = leadingSpaceCount;
}
else {
skip += word.length();
continue;
}
}
sb2.append(word);
}
sb.append(sb2);
if (bCr) sb.append('\r');
if (bLf) sb.append('\n');
}
return new String(sb);
}
public static String format(String s, int cols, boolean bPad) {
if (s == null) s = "";
if (cols < 1) return s;
if (cols > 0) {
int j = s.length();
if (j > cols) {
s = s.substring(0, cols-1) + "...";
}
else {
//for ( ; j © 2015 - 2025 Weber Informatics LLC | Privacy Policy