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Jackson Data Binding Source Code
Jackson is "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".
Jackson Databind Source Code files are provided in the source packge (jackson-databind-2.12.4-sources.jar). You can download it at Jackson Maven Website.
You can also browse Jackson Databind Source Code below:
✍: FYIcenter.com
⏎ com/fasterxml/jackson/databind/util/NameTransformer.java
package com.fasterxml.jackson.databind.util; /** * Helper class used to encapsulate details of name mangling, transforming * of names using different strategies (prefixes, suffixes). * Default implementation is "no-operation" (aka identity transformation). */ public abstract class NameTransformer { /** * Singleton "no-operation" transformer which simply returns given * name as is. Used commonly as placeholder or marker. */ public final static NameTransformer NOP = new NopTransformer(); protected final static class NopTransformer extends NameTransformer implements java.io.Serializable { private static final long serialVersionUID = 1L; @Override public String transform(String name) { return name; } @Override public String reverse(String transformed) { // identity transformation is always reversible: return transformed; } } protected NameTransformer() { } /** * Factory method for constructing a simple transformer based on * prefix and/or suffix. */ public static NameTransformer simpleTransformer(final String prefix, final String suffix) { boolean hasPrefix = (prefix != null) && !prefix.isEmpty(); boolean hasSuffix = (suffix != null) && !suffix.isEmpty(); if (hasPrefix) { if (hasSuffix) { return new NameTransformer() { @Override public String transform(String name) { return prefix + name + suffix; } @Override public String reverse(String transformed) { if (transformed.startsWith(prefix)) { String str = transformed.substring(prefix.length()); if (str.endsWith(suffix)) { return str.substring(0, str.length() - suffix.length()); } } return null; } @Override public String toString() { return "[PreAndSuffixTransformer('"+prefix+"','"+suffix+"')]"; } }; } return new NameTransformer() { @Override public String transform(String name) { return prefix + name; } @Override public String reverse(String transformed) { if (transformed.startsWith(prefix)) { return transformed.substring(prefix.length()); } return null; } @Override public String toString() { return "[PrefixTransformer('"+prefix+"')]"; } }; } if (hasSuffix) { return new NameTransformer() { @Override public String transform(String name) { return name + suffix; } @Override public String reverse(String transformed) { if (transformed.endsWith(suffix)) { return transformed.substring(0, transformed.length() - suffix.length()); } return null; } @Override public String toString() { return "[SuffixTransformer('"+suffix+"')]"; } }; } return NOP; } /** * Method that constructs transformer that applies given transformers * as a sequence; essentially combines separate transform operations * into one logical transformation. */ public static NameTransformer chainedTransformer(NameTransformer t1, NameTransformer t2) { return new Chained(t1, t2); } /** * Method called when (forward) transformation is needed. */ public abstract String transform(String name); /** * Method called when reversal of transformation is needed; should return * null if this is not possible, that is, given name cannot have been * result of calling {@link #transform} of this object. */ public abstract String reverse(String transformed); public static class Chained extends NameTransformer implements java.io.Serializable { private static final long serialVersionUID = 1L; protected final NameTransformer _t1, _t2; public Chained(NameTransformer t1, NameTransformer t2) { _t1 = t1; _t2 = t2; } @Override public String transform(String name) { return _t1.transform(_t2.transform(name)); } @Override public String reverse(String transformed) { transformed = _t1.reverse(transformed); if (transformed != null) { transformed = _t2.reverse(transformed); } return transformed; } @Override public String toString() { return "[ChainedTransformer("+_t1+", "+_t2+")]"; } } }
⏎ com/fasterxml/jackson/databind/util/NameTransformer.java
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⇒ Jackson Annotations Source Code
⇠Download and Install Jackson Binary Package
⇑ Downloading and Reviewing jackson-*.jar
⇑⇑ Jackson - Java JSON library
2022-03-29, 32263👍, 0💬
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