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author | Scott Jackson <daneren2005@gmail.com> | 2012-07-02 21:24:02 -0700 |
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committer | Scott Jackson <daneren2005@gmail.com> | 2012-07-02 21:24:02 -0700 |
commit | a1a18f77a50804e0127dfa4b0f5240c49c541184 (patch) | |
tree | 19a38880afe505beddb5590379a8134d7730a277 /subsonic-main/src/main/java/net/sourceforge/subsonic/taglib/EscapeJavaScriptTag.java | |
parent | b61d787706979e7e20f4c3c4f93c1f129d92273f (diff) | |
download | dsub-a1a18f77a50804e0127dfa4b0f5240c49c541184.tar.gz dsub-a1a18f77a50804e0127dfa4b0f5240c49c541184.tar.bz2 dsub-a1a18f77a50804e0127dfa4b0f5240c49c541184.zip |
Initial Commit
Diffstat (limited to 'subsonic-main/src/main/java/net/sourceforge/subsonic/taglib/EscapeJavaScriptTag.java')
-rw-r--r-- | subsonic-main/src/main/java/net/sourceforge/subsonic/taglib/EscapeJavaScriptTag.java | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/taglib/EscapeJavaScriptTag.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/taglib/EscapeJavaScriptTag.java new file mode 100644 index 00000000..c7c09677 --- /dev/null +++ b/subsonic-main/src/main/java/net/sourceforge/subsonic/taglib/EscapeJavaScriptTag.java @@ -0,0 +1,77 @@ +/* + This file is part of Subsonic. + + Subsonic is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Subsonic is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Subsonic. If not, see <http://www.gnu.org/licenses/>. + + Copyright 2009 (C) Sindre Mehus + */ +package net.sourceforge.subsonic.taglib; + +import org.apache.commons.lang.StringEscapeUtils; + +import javax.servlet.jsp.JspException; +import javax.servlet.jsp.JspTagException; +import javax.servlet.jsp.tagext.BodyTagSupport; +import java.io.IOException; + +/** + * Escapes the characters in a <code>String</code> using JavaScript String rules. + * <p/> + * Escapes any values it finds into their JavaScript String form. + * Deals correctly with quotes and control-chars (tab, backslash, cr, ff, etc.) + * <p/> + * So a tab becomes the characters <code>'\\'</code> and + * <code>'t'</code>. + * <p/> + * The only difference between Java strings and JavaScript strings + * is that in JavaScript, a single quote must be escaped. + * <p/> + * Example: + * <pre> + * input string: He didn't say, "Stop!" + * output string: He didn\'t say, \"Stop!\" + * </pre> + * + * @author Sindre Mehus + */ +public class EscapeJavaScriptTag extends BodyTagSupport { + + private String string; + + public int doStartTag() throws JspException { + return EVAL_BODY_BUFFERED; + } + + public int doEndTag() throws JspException { + try { + pageContext.getOut().print(StringEscapeUtils.escapeJavaScript(string)); + } catch (IOException x) { + throw new JspTagException(x); + } + return EVAL_PAGE; + } + + public void release() { + string = null; + super.release(); + } + + public String getString() { + return string; + } + + public void setString(String string) { + this.string = string; + } +}
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