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Core Jackson processing abstractions (aka Streaming API), implementation for JSON
package com.fasterxml.jackson.core.util;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import java.math.BigDecimal;
import java.math.BigInteger;
import com.fasterxml.jackson.core.*;
/**
* Helper class that implements
* delegation pattern for {@link JsonParser},
* to allow for simple overridability of basic parsing functionality.
* The idea is that any functionality to be modified can be simply
* overridden; and anything else will be delegated by default.
*/
public class JsonParserDelegate extends JsonParser
{
/**
* Delegate object that method calls are delegated to.
*/
protected JsonParser delegate;
public JsonParserDelegate(JsonParser d) {
delegate = d;
}
@Override
public Object getCurrentValue() {
return delegate.getCurrentValue();
}
@Override
public void setCurrentValue(Object v) {
delegate.setCurrentValue(v);
}
/*
/**********************************************************
/* Public API, configuration
/**********************************************************
*/
@Override public void setCodec(ObjectCodec c) { delegate.setCodec(c); }
@Override public ObjectCodec getCodec() { return delegate.getCodec(); }
@Override
public JsonParser enable(Feature f) {
delegate.enable(f);
return this;
}
@Override
public JsonParser disable(Feature f) {
delegate.disable(f);
return this;
}
@Override public boolean isEnabled(Feature f) { return delegate.isEnabled(f); }
@Override public int getFeatureMask() { return delegate.getFeatureMask(); }
@Override
@Deprecated // since 2.7
public JsonParser setFeatureMask(int mask) {
delegate.setFeatureMask(mask);
return this;
}
@Override
public JsonParser overrideStdFeatures(int values, int mask) {
delegate.overrideStdFeatures(values, mask);
return this;
}
@Override
public JsonParser overrideFormatFeatures(int values, int mask) {
delegate.overrideFormatFeatures(values, mask);
return this;
}
@Override public FormatSchema getSchema() { return delegate.getSchema(); }
@Override public void setSchema(FormatSchema schema) { delegate.setSchema(schema); }
@Override public boolean canUseSchema(FormatSchema schema) { return delegate.canUseSchema(schema); }
@Override public Version version() { return delegate.version(); }
@Override public Object getInputSource() { return delegate.getInputSource(); }
/*
/**********************************************************
/* Capability introspection
/**********************************************************
*/
@Override public boolean requiresCustomCodec() { return delegate.requiresCustomCodec(); }
/*
/**********************************************************
/* Closeable impl
/**********************************************************
*/
@Override public void close() throws IOException { delegate.close(); }
@Override public boolean isClosed() { return delegate.isClosed(); }
/*
/**********************************************************
/* Public API, token accessors
/**********************************************************
*/
@Override public JsonToken currentToken() { return delegate.currentToken(); }
@Override public int currentTokenId() { return delegate.currentTokenId(); }
@Override public JsonToken getCurrentToken() { return delegate.getCurrentToken(); }
@Override public int getCurrentTokenId() { return delegate.getCurrentTokenId(); }
@Override public boolean hasCurrentToken() { return delegate.hasCurrentToken(); }
@Override public boolean hasTokenId(int id) { return delegate.hasTokenId(id); }
@Override public boolean hasToken(JsonToken t) { return delegate.hasToken(t); }
@Override public String getCurrentName() throws IOException { return delegate.getCurrentName(); }
@Override public JsonLocation getCurrentLocation() { return delegate.getCurrentLocation(); }
@Override public JsonStreamContext getParsingContext() { return delegate.getParsingContext(); }
@Override public boolean isExpectedStartArrayToken() { return delegate.isExpectedStartArrayToken(); }
@Override public boolean isExpectedStartObjectToken() { return delegate.isExpectedStartObjectToken(); }
@Override public boolean isNaN() throws IOException { return delegate.isNaN(); }
/*
/**********************************************************
/* Public API, token state overrides
/**********************************************************
*/
@Override public void clearCurrentToken() { delegate.clearCurrentToken(); }
@Override public JsonToken getLastClearedToken() { return delegate.getLastClearedToken(); }
@Override public void overrideCurrentName(String name) { delegate.overrideCurrentName(name); }
/*
/**********************************************************
/* Public API, access to token information, text
/**********************************************************
*/
@Override public String getText() throws IOException { return delegate.getText(); }
@Override public boolean hasTextCharacters() { return delegate.hasTextCharacters(); }
@Override public char[] getTextCharacters() throws IOException { return delegate.getTextCharacters(); }
@Override public int getTextLength() throws IOException { return delegate.getTextLength(); }
@Override public int getTextOffset() throws IOException { return delegate.getTextOffset(); }
@Override public int getText(Writer writer) throws IOException, UnsupportedOperationException { return delegate.getText(writer); }
/*
/**********************************************************
/* Public API, access to token information, numeric
/**********************************************************
*/
@Override
public BigInteger getBigIntegerValue() throws IOException { return delegate.getBigIntegerValue(); }
@Override
public boolean getBooleanValue() throws IOException { return delegate.getBooleanValue(); }
@Override
public byte getByteValue() throws IOException { return delegate.getByteValue(); }
@Override
public short getShortValue() throws IOException { return delegate.getShortValue(); }
@Override
public BigDecimal getDecimalValue() throws IOException { return delegate.getDecimalValue(); }
@Override
public double getDoubleValue() throws IOException { return delegate.getDoubleValue(); }
@Override
public float getFloatValue() throws IOException { return delegate.getFloatValue(); }
@Override
public int getIntValue() throws IOException { return delegate.getIntValue(); }
@Override
public long getLongValue() throws IOException { return delegate.getLongValue(); }
@Override
public NumberType getNumberType() throws IOException { return delegate.getNumberType(); }
@Override
public Number getNumberValue() throws IOException { return delegate.getNumberValue(); }
/*
/**********************************************************
/* Public API, access to token information, coercion/conversion
/**********************************************************
*/
@Override public int getValueAsInt() throws IOException { return delegate.getValueAsInt(); }
@Override public int getValueAsInt(int defaultValue) throws IOException { return delegate.getValueAsInt(defaultValue); }
@Override public long getValueAsLong() throws IOException { return delegate.getValueAsLong(); }
@Override public long getValueAsLong(long defaultValue) throws IOException { return delegate.getValueAsLong(defaultValue); }
@Override public double getValueAsDouble() throws IOException { return delegate.getValueAsDouble(); }
@Override public double getValueAsDouble(double defaultValue) throws IOException { return delegate.getValueAsDouble(defaultValue); }
@Override public boolean getValueAsBoolean() throws IOException { return delegate.getValueAsBoolean(); }
@Override public boolean getValueAsBoolean(boolean defaultValue) throws IOException { return delegate.getValueAsBoolean(defaultValue); }
@Override public String getValueAsString() throws IOException { return delegate.getValueAsString(); }
@Override public String getValueAsString(String defaultValue) throws IOException { return delegate.getValueAsString(defaultValue); }
/*
/**********************************************************
/* Public API, access to token values, other
/**********************************************************
*/
@Override public Object getEmbeddedObject() throws IOException { return delegate.getEmbeddedObject(); }
@Override public byte[] getBinaryValue(Base64Variant b64variant) throws IOException { return delegate.getBinaryValue(b64variant); }
@Override public int readBinaryValue(Base64Variant b64variant, OutputStream out) throws IOException { return delegate.readBinaryValue(b64variant, out); }
@Override public JsonLocation getTokenLocation() { return delegate.getTokenLocation(); }
@Override public JsonToken nextToken() throws IOException { return delegate.nextToken(); }
@Override public JsonToken nextValue() throws IOException { return delegate.nextValue(); }
@Override public void finishToken() throws IOException { delegate.finishToken(); }
@Override
public JsonParser skipChildren() throws IOException {
delegate.skipChildren();
// NOTE: must NOT delegate this method to delegate, needs to be self-reference for chaining
return this;
}
/*
/**********************************************************
/* Public API, Native Ids (type, object)
/**********************************************************
*/
@Override public boolean canReadObjectId() { return delegate.canReadObjectId(); }
@Override public boolean canReadTypeId() { return delegate.canReadTypeId(); }
@Override public Object getObjectId() throws IOException { return delegate.getObjectId(); }
@Override public Object getTypeId() throws IOException { return delegate.getTypeId(); }
}